初一下计算题100道答案?3X+7=59 x=52/3 4Y-69=81 y=75/4 8X*6=5 x=5/48 7Z/9=4 y=63/7 15X+8-5X=54 x=4.6 5Y*5=27 y=27/40 8x+2=10 x=1 x*8=88 x=11 y-90=1 y=91 2x-98=2 x=50 难点了解 初中的时候一般对计算能力要求比较高,各种方式比如,那么,初一下计算题100道答案?一起来了解一下吧。
(1) 66x+17y=3967
25x+y=1200
答案:x=48 y=47
(2) 18x+23y=2303
74x-y=1998
答案:x=27 y=79
(3) 44x+90y=7796
44x+y=3476
答案:x=79 y=48
(4) 76x-66y=4082
30x-y=2940
答案:x=98 y=51
(5) 67x+54y=8546
71x-y=5680
答案:x=80 y=59
(6) 42x-95y=-1410
21x-y=1575
答案:x=75 y=48
(7) 47x-40y=853
34x-y=2006
答案:x=59 y=48
(8) 19x-32y=-1786
75x+y=4950
答案:x=66 y=95
(9) 97x+24y=7202
58x-y=2900
答案:x=50 y=98
(10) 42x+85y=6362
63x-y=1638
答案:x=26 y=62
(11) 85x-92y=-2518
27x-y=486
答案:x=18 y=44
(12) 79x+40y=2419
56x-y=1176
答案:x=21 y=19
(13) 80x-87y=2156
22x-y=880
答案:x=40 y=12
(14) 32x+62y=5134
57x+y=2850
答案:x=50 y=57
(15) 83x-49y=82
59x+y=2183
答案:x=37 y=61
(16) 91x+70y=5845
95x-y=4275
答案:x=45 y=25
(17) 29x+44y=5281
88x-y=3608
答案:x=41 y=93
(18) 25x-95y=-4355
40x-y=2000
答案:x=50 y=59
(19) 54x+68y=3284
78x+y=1404
答案:x=18 y=34
(20) 70x+13y=3520
52x+y=2132
答案:x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
答案:x=45 y=99
(22) 36x+77y=7619
47x-y=799
答案:x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
答案:x=43 y=78
(24) 28x+28y=3332
52x-y=4628
答案:x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
答案:x=44 y=54
(26) 79x-76y=-4388
26x-y=832
答案:x=32 y=91
(27) 63x-40y=-821
42x-y=546
答案:x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
答案:x=91 y=78
(29) 85x+67y=7338
11x+y=308
答案:x=28 y=74
(30) 78x+74y=12928
14x+y=1218
答案:x=87 y=83
(31) 39x+42y=5331
59x-y=5841
答案:x=99 y=35
(32) 29x+18y=1916
58x+y=2320
答案:x=40 y=42
(33) 40x+31y=6043
45x-y=3555
答案:x=79 y=93
(34) 47x+50y=8598
45x+y=3780
答案:x=84 y=93
(35) 45x-30y=-1455
29x-y=725
答案:x=25 y=86
(36) 11x-43y=-1361
47x+y=799
答案:x=17 y=36
(37) 33x+59y=3254
94x+y=1034
答案:x=11 y=49
(38) 89x-74y=-2735
68x+y=1020
答案:x=15 y=55
(39) 94x+71y=7517
78x+y=3822
答案:x=49 y=41
(40) 28x-62y=-4934
46x+y=552
答案:x=12 y=85
(41) 75x+43y=8472
17x-y=1394
答案:x=82 y=54
(42) 41x-38y=-1180
29x+y=1450
答案:x=50 y=85
(43) 22x-59y=824
63x+y=4725
答案:x=75 y=14
(44) 95x-56y=-401
90x+y=1530
答案:x=17 y=36
(45) 93x-52y=-852
29x+y=464
答案:x=16 y=45
(46) 93x+12y=8823
54x+y=4914
答案:x=91 y=30
(47) 21x-63y=84
20x+y=1880
答案:x=94 y=30
(48) 48x+93y=9756
38x-y=950
答案:x=25 y=92
(49) 99x-67y=4011
75x-y=5475
答案:x=73 y=48
(50) 83x+64y=9291
90x-y=3690
答案:x=41 y=92 50.因式分解(x+2)(x-3)+(x+2)(x+4)= 。
一百道…好多其实你可以去网上搜可以去百度查找初一下册期末试卷之类的 然后摘抄一下就可以了 很容易查到的
1.(3m-n-p)(3m+n-p)
2.-(x+y)^2-2(x-y)(x+y)
3.(-2x-y)^2-(-x-y)(x-y)-2(x-y)(x+2y)
4.(2m^4n^3+16m^3n-2m^2n)/(-2m^2n)
5. -9.9*10.1
6. 5^10*3^2*2^9
7. 123^2-124^3*122
8.39+[-23]+0+[-16]= 0
9.[-18]+29+[-52]+60= 19
10.[-3]+[-2]+[-1]+0+1+2= -3
11.[-301]+125+301+[-75]= 50
12.[-1]+[-1/2]+3/4+[-1/4]= -1
13.[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25
14.[-26.54]+[-6.14]+18.54+6.14= -8
15.1.125+[-17/5]+[-1/8]+[-0.6]= -3
16.[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
17.5+21*8/2-6-59
18.68/21-8-11*8+61
19.-2/9-7/9-56
20.4.6-(-3/4+1.6-4-3/4)
21.1/2+3+5/6-7/12
22.[2/3-4-1/4*(-0.4)]/1/3+2
23.22+(-4)+(-2)+4*3
24.-2*8-8*1/2+8/1/8
25.(2/3+1/2)/(-1/12)*(-12)
26.(-28)/(-6+4)+(-1)
27.2/(-2)+0/7-(-8)*(-2)
28.(1/4-5/6+1/3+2/3)/1/2
29.18-6/(-3)*(-2)
30.(5+3/8*8/30/(-2)-3
31.(-84)/2*(-3)/(-6)
32.1/2*(-4/15)/2/3
33.-3x+2y-5x-7y
34.75÷〔138÷(100-54)〕
35.85×(95-1440÷24)
36.〔75-(12+18)〕÷15
37.2160÷〔(83-79)×18〕
38.280+840÷24×5
39.325÷13×(266-250)
40.85×(95-1440÷24)
41.58870÷(105+20×2)
42.1437×27+27×563
43.81432÷(13×52+78)
44.[37.85-(7.85+6.4)] ×30
45.156×[(17.7-7.2)÷3]
46.(947-599)+76×64
47.36×(913-276÷23)
48.[192-(54+38)]×67
49.[(7.1-5.6)×0.9-1.15]÷2.5
50.5.4÷[2.6×(3.7-2.9)+0.62]
51.(947-599)+76×64
52.81432÷(13×52+78)
53.50.4÷[2.6×(3.7-2.9)+0.62]
54.(31.8 3.2×4)÷5(0.016×35)
55.3.416÷53
56.0.8×[(10-6.76)÷1.2]
57.2.881÷0.43-0.24×3.5
58.(136+64)×(65-345÷23)
59.(6.8-6.8×0.55)÷8.5
60.-(9.5+28.9)]÷0.18
61.0.8×〔15.5-(3.21 5.79)〕
62.20×[(2.44-1.8)÷0.4+0.15]
63.194-64.8÷1.8×0.9
64.52.28-(3.4 1.25×2.4)
65.0.12× 4.8÷0.12×4.8
66.(58+37)÷(64-9×5)
67.812-700÷(9+31×11)
68.(3.2×1.5+2.5)÷1.6
69.85+14×(14+208÷26)
70.120-36×4÷18+35
71.(284+16)×(512-8208÷18)
72.9.72×1.6-18.305÷7
73.54.36.72÷4.25×9.9
74.(136+64)×(65-345÷23)
75.(6.8-6.8×0.55)÷8.5
76.0.12× 4.8÷0.12×4.8
77.(58+37)÷(64-9×5)
78.812-700÷(9+31×11)
79.(3.2×1.5+2.5)÷1.6
80.85+14×(14+208÷26)
81. 120-36×4÷18+35
82.(284+16)×(512-8208÷18)
83.9.72×1.6-18.305÷7
84.23+(-7.57)
85.(-7/3)+(-7/6)
86.9/4+(-3/2)
87.3.75+(2.25)+5/4
88.-3.75+(+5/4)+(-1.5)
89.(-17/4)+(-10/3)+(+13/3)+(11/3)
90.(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
91.(+1.3)-(+17/7)
92.(-2)-(+2/3)
93.|(-7.2)-(-6.3)+(1.1)|
94.|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)
95.(-2/199)*(-7/6-3/2+8/3)
96.4a)*(-3b)*(5c)*1/6
97.7 × 5/49 + 3/14
98. 6 ×( 1/2 + 2/3 )
99.8 × 4/5 + 8 × 11/5
100. 31 × 5/6 – 5/6
希望对你有用!
1)x^2-9x+8=0 答案:x1=8 x2=1(2)x^2+6x-27=0 答案:x1=3 x2=-9 (3)x^2-2x-80=0 答案:x1=-8 x2=10 (4)x^2+10x-200=0 答案:x1=-20 x2=10(5)x^2-20x+96=0 答案:x1=12 x2=8 (6)x^2+23x+76=0 答案:x1=-19 x2=-4(7)x^2-25x+154=0 答案:x1=14 x2=11(8)x^2-12x-108=0 答案:x1=-6 x2=18(9)x^2+4x-252=0 答案:x1=14 x2=-18(10)x^2-11x-102=0 答案:x1=17 x2=-6(11)x^2+15x-54=0 答案:x1=-18 x2=3(12)x^2+11x+18=0 答案:x1=-2 x2=-9(13)x^2-9x+20=0 答案:x1=4 x2=5(14)x^2+19x+90=0 答案:x1=-10 x2=-9(15)x^2-25x+156=0 答案:x1=13 x2=12(16)x^2-22x+57=0 答案:x1=3 x2=19(17)x^2-5x-176=0 答案:x1=16 x2=-11(18)x^2-26x+133=0 答案:x1=7 x2=19(19)x^2+10x-11=0 答案:x1=-11 x2=1(20)x^2-3x-304=0 答案:x1=-16 x2=19(21)x^2+13x-140=0 答案:x1=7 x2=-20(22)x^2+13x-48=0 答案:x1=3 x2=-16(23)x^2+5x-176=0 答案:x1=-16 x2=11(24)x^2+28x+171=0 答案:x1=-9 x2=-19(25)x^2+14x+45=0 答案:x1=-9 x2=-5(26)x^2-9x-136=0 答案:x1=-8 x2=17 (27)x^2-15x-76=0 答案:x1=19 x2=-4(28)x^2+23x+126=0 答案:x1=-9 x2=-14(29)x^2+9x-70=0 答案:x1=-14 x2=5(30)x^2-1x-56=0 答案:x1=8 x2=-7(31)x^2+7x-60=0 答案:x1=5 x2=-12(32)x^2+10x-39=0 答案:x1=-13 x2=3(33)x^2+19x+34=0 答案:x1=-17 x2=-2(34)x^2-6x-160=0 答案:x1=16 x2=-10(35)x^2-6x-55=0 答案:x1=11 x2=-5(36)x^2-7x-144=0 答案:x1=-9 x2=16(37)x^2+20x+51=0 答案:x1=-3 x2=-17(38)x^2-9x+14=0 答案:x1=2 x2=7(39)x^2-29x+208=0 答案:x1=16 x2=13(40)x^2+19x-20=0 答案:x1=-20 x2=1(41)x^2-13x-48=0 答案:x1=16 x2=-3(42)x^2+10x+24=0 答案:x1=-6 x2=-4(43)x^2+28x+180=0 答案:x1=-10 x2=-18(44)x^2-8x-209=0 答案:x1=-11 x2=19(45)x^2+23x+90=0 答案:x1=-18 x2=-5(46)x^2+7x+6=0 答案:x1=-6 x2=-1(47)x^2+16x+28=0 答案:x1=-14 x2=-2(48)x^2+5x-50=0 答案:x1=-10 x2=5(49)x^2+13x-14=0 答案:x1=1 x2=-14(50)x^2-23x+102=0 答案:x1=17 x2=6(51)x^2+5x-176=0 答案:x1=-16 x2=11(52)x^2-8x-20=0 答案:x1=-2 x2=10(53)x^2-16x+39=0 答案:x1=3 x2=13(54)x^2+32x+240=0 答案:x1=-20 x2=-12 (55)x^2+34x+288=0 答案:x1=-18 x2=-16 (56)x^2+22x+105=0 答案:x1=-7 x2=-15(57)x^2+19x-20=0 答案:x1=-20 x2=1(58)x^2-7x+6=0 答案:x1=6 x2=1(59)x^2+4x-221=0 答案:x1=13 x2=-17(60)x^2+6x-91=0 答案:x1=-13 x2=7(61)x^2+8x+12=0 答案:x1=-2 x2=-6(62)x^2+7x-120=0 答案:x1=-15 x2=8(63)x^2-18x+17=0 答案:x1=17 x2=1(64)x^2+7x-170=0 答案:x1=-17 x2=10(65)x^2+6x+8=0 答案:x1=-4 x2=-2(66)x^2+13x+12=0 答案:x1=-1 x2=-12(67)x^2+24x+119=0 答案:x1=-7 x2=-17(68)x^2+11x-42=0 答案:x1=3 x2=-14(69)x^20x-289=0 答案:x1=17 x2=-17(70)x^2+13x+30=0 答案:x1=-3 x2=-10(71)x^2-24x+140=0 答案:x1=14 x2=10(72)x^2+4x-60=0 答案:x1=-10 x2=6(73)x^2+27x+170=0 答案:x1=-10 x2=-17(74)x^2+27x+152=0 答案:x1=-19 x2=-8(75)x^2-2x-99=0 答案:x1=11 x2=-9(76)x^2+12x+11=0 答案:x1=-11 x2=-1(77)x^2+17x+70=0 答案:x1=-10 x2=-7(78)x^2+20x+19=0 答案:x1=-19 x2=-1(79)x^2-2x-168=0 答案:x1=-12 x2=14(80)x^2-13x+30=0 答案:x1=3 x2=10(81)x^2-10x-119=0 答案:x1=17 x2=-7(82)x^2+16x-17=0 答案:x1=1 x2=-17 (83)x^2-1x-20=0 答案:x1=5 x2=-4(84)x^2-2x-288=0 答案:x1=18 x2=-16(85)x^2-20x+64=0 答案:x1=16 x2=4(86)x^2+22x+105=0 答案:x1=-7 x2=-15(87)x^2+13x+12=0 答案:x1=-1 x2=-12(88)x^2-4x-285=0 答案:x1=19 x2=-15(89)x^2+26x+133=0 答案:x1=-19 x2=-7(90)x^2-17x+16=0 答案:x1=1 x2=16(91)x^2+3x-4=0 答案:x1=1 x2=-4(92)x^2-14x+48=0 答案:x1=6 x2=8(93)x^2-12x-133=0 答案:x1=19 x2=-7(94)x^2+5x+4=0 答案:x1=-1 x2=-4(95)x^2+6x-91=0 答案:x1=7 x2=-13 (96)x^2+3x-4=0 答案:x1=-4 x2=1(97)x^2-13x+12=0 答案:x1=12 x2=1(98)x^2+7x-44=0 答案:x1=-11 x2=4 (99)x^2-6x-7=0 答案:x1=-1 x2=7 (100)x^2-9x-90=0 答案:x1=15 x2=-6
2x+17=35
3x-64=11
12+8x=52
0.8x-4.2=2.2
2x+5=10
3x-15=75
4x+4o=320
3x+77=122
5x-1.6=0.6
6x-4=20
10x-0.6=2.4
500-12x=140
1) 66x+17y=3967
25x+y=1200
答案:x=48 y=47
(2) 18x+23y=2303
74x-y=1998
答案:x=27 y=79
(3) 44x+90y=7796
44x+y=3476
答案:x=79 y=48
(4) 76x-66y=4082
30x-y=2940
答案:x=98 y=51
(5) 67x+54y=8546
71x-y=5680
答案:x=80 y=59
(6) 42x-95y=-1410
21x-y=1575
答案:x=75 y=48
(7) 47x-40y=853
34x-y=2006
答案:x=59 y=48
(8) 19x-32y=-1786
75x+y=4950
答案:x=66 y=95
(9) 97x+24y=7202
58x-y=2900
答案:x=50 y=98
(10) 42x+85y=6362
63x-y=1638
答案:x=26 y=62
(11) 85x-92y=-2518
27x-y=486
答案:x=18 y=44
(12) 79x+40y=2419
56x-y=1176
答案:x=21 y=19
(13) 80x-87y=2156
22x-y=880
答案:x=40 y=12
(14) 32x+62y=5134
57x+y=2850
答案:x=50 y=57
(15) 83x-49y=82
59x+y=2183
答案:x=37 y=61
(16) 91x+70y=5845
95x-y=4275
答案:x=45 y=25
(17) 29x+44y=5281
88x-y=3608
答案:x=41 y=93
(18) 25x-95y=-4355
40x-y=2000
答案:x=50 y=59
(19) 54x+68y=3284
78x+y=1404
答案:x=18 y=34
(20) 70x+13y=3520
52x+y=2132
答案:x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
答案:x=45 y=99
(22) 36x+77y=7619
47x-y=799
答案:x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
答案:x=43 y=78
(24) 28x+28y=3332
52x-y=4628
答案:x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
答案:x=44 y=54
(26) 79x-76y=-4388
26x-y=832
答案:x=32 y=91
(27) 63x-40y=-821
42x-y=546
答案:x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
答案:x=91 y=78
(29) 85x+67y=7338
11x+y=308
答案:x=28 y=74
(30) 78x+74y=12928
14x+y=1218
答案:x=87 y=83
(31) 39x+42y=5331
59x-y=5841
答案:x=99 y=35
(32) 29x+18y=1916
58x+y=2320
答案:x=40 y=42
(33) 40x+31y=6043
45x-y=3555
答案:x=79 y=93
(34) 47x+50y=8598
45x+y=3780
答案:x=84 y=93
(35) 45x-30y=-1455
29x-y=725
答案:x=25 y=86
(36) 11x-43y=-1361
47x+y=799
答案:x=17 y=36
(37) 33x+59y=3254
94x+y=1034
答案:x=11 y=49
(38) 89x-74y=-2735
68x+y=1020
答案:x=15 y=55
(39) 94x+71y=7517
78x+y=3822
答案:x=49 y=41
(40) 28x-62y=-4934
46x+y=552
答案:x=12 y=85
(41) 75x+43y=8472
17x-y=1394
答案:x=82 y=54
(42) 41x-38y=-1180
29x+y=1450
答案:x=50 y=85
(43) 22x-59y=824
63x+y=4725
答案:x=75 y=14
(44) 95x-56y=-401
90x+y=1530
答案:x=17 y=36
(45) 93x-52y=-852
29x+y=464
答案:x=16 y=45
(46) 93x+12y=8823
54x+y=4914
答案:x=91 y=30
(47) 21x-63y=84
20x+y=1880
答案:x=94 y=30
(48) 48x+93y=9756
38x-y=950
答案:x=25 y=92
(49) 99x-67y=4011
75x-y=5475
答案:x=73 y=48
(50) 83x+64y=9291
90x-y=3690
答案:x=41 y=92
3X+18=52 x=34/3
4Y+11=22 y=11/4
3X*9=5 x=5/27
8Z/6=48 z=36
3X+7=59 x=52/3
4Y-69=81 y=75/4
8X*6=5 x=5/48
7Z/9=4 y=63/7
15X+8-5X=54 x=4.6
5Y*5=27 y=27/40
8x+2=10 x=1
x*8=88 x=11
y-90=1 y=91
2x-98=2 x=50
6x*6=12 x=1/3
5-6=5x x=-1/5
6*x=42 x=7
55-y=33 y=22
11*3x=60 x=20/11
8-y=2 y=-6
1.x+2=3
2.x+32=33
3.x+6=18
4.4+x=47
5.19-x=8
6.98-x=13
7.66-x=10
8.5x=10
9.3x=27
10.7x=7
11.8x=8
12.9x=9
13.10x=100
14.66x=660
15.7x=49
16.2x=4
17.3x=9
18.4x=16
19.5x=25
20.6x=36
21.8x=64
22.9x=81
23.10x=100
24.11x=121
25.12x=144
26.13x=169
27.14x=196
28.15x=225
29.16x=256
30.17x=289
31.18x=324
32.19x=361
33.20x=400
31.21x=441
32.22x=484
33.111x=12321
34.1111x=1234321
35.11111x=123454321
36.111111x=12345654321
37.46/x=23
38.64/x=8
39.99/x=11
40.1235467564x=0
41.2x+1= -2+x
42.4x-3(20-x)=3
43..-2(x-1)=4
44.3X+189=521
45.4Y+119=22 5
46.3X+77=59
47.4Y-6985=81
48.X=0.1
49.5X=55.5
50.Y=50-85
以上就是初一下计算题100道答案的全部内容,y=1/3代入-2x4y,得 -2×(-1)4×1/3=-2/3 所以,原式=-2/3 4、有一道题:求两个多项式的差。小刚错把2a2b-3ab2当作被减数,解得差为-a2b,求正确的差。解:设A=2a2b-3ab2,C=-a2b,另外一个多项式为B 小刚列的式子为:A-B=C。