2023年12月16日发(作者:2020黄冈八模数学试卷)
一、用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×13= 3.06×36= 1.55÷3.9
0.18×15=
≈
7.15×22
13.76×0.8=
35.4×4.2
0.025×14=
90.75÷3.3
5.2×0.6
0.042×0.54
(保留一位小数)
5.76×3= 0.04×0.12= 3.84×2.6
3.68×0.25 16.9÷0.13 3.7×0.016
8.4×1.3 6.4×0.5 4.48×0.4 5.25×5
0.76×0.32 5.6÷3.5 0.49÷1.4
4.8×0.25= 0.125×1.4≈ (保留两位小数)
2.5÷0.7= (保留三位小数)
10.1÷3.3= (商用循环小数)
10.75÷12.5= (用乘法验算)
3.25×9.04= (用除法验算)
二、脱式计算(能简算的要简算)
18.76×9.9+18.76 3.52÷2.5÷0.4
0.89×100.1 9.6÷0.8÷0.4
3.65×10.1 17.8÷(1.78×4)
3.2×0.25×12.5 15.2÷0.25÷4
3.83×4.56+3.83×5.44 4.36×12.5×8
0.65×101 27.5×3.7-7.5×3.7
3.9-4.1+6.1-5.9
4.2×99+4.2
1.25×2.5×32
146.5-(23+46.5)
9.7×99+9.7
8.54÷2.5÷0.4
1.08×25 2.52×3.4 (45.9-32.7)÷8÷0.125
3.14×0.68+31.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4 7.2×0.2+2.4×1.4
8.9×1.01
8-1.8÷0.125÷0.8
15.02-6.8-1.02
9.43-(6.28-1.57)
13.7×0.25-3.7÷4
10.7×16.1-15.1×10.7
4.8+8.63+5.2+0.37
7.74×(2.8-1.3)+1.5×2.2
12.7×9.9+1.27
5.4×11-5.4
3.65×4.7-36.5×0.37
2.22×9.9+6.66×6.7
0.79×199
5.93+0.19+2.81
3.9×2.7+3.9×7.3
21×(9.3-3.7)-5.6
2.3×16+2.3×23+2.3
46×57+23×86
101×0.87-0.91×87
1.76+0.195+3.24
2.35+1.713+0.287+7.65
1.57+0.245+7.43 6.02+3.6+1.98 7.5+4.9-6.5
8-2.45-1.5 0.134+2.66+0.866 1.27+3.9+0.73+16.1
1.29+3.7+2.71+6.3
23.4-0.8-13.4-7.2
0.25×36
36.54-1.76-4.54
7.6×0.8+0.2×7.6
0.32×403
3.07-0.38-1.62
3.2+0.36+4.8+1.64
2.4×102
0.25×0.73×5
0.85×199
×8.6+0.72×8.6
3.25+1.79-0.59+1.75
1.23+3.4-0.23+6.6
12.7-(3.7+0.84)
70÷28
0.25×8.5×4
12.5×0.96×0.8
1.28 10.4-9.6×0.5 4.9÷1.4 0.8×(4.3×1.25)
2.5×2.4 0.86×15.7-0.86×14.7 28.6×101-28.3
2.31×1.2×0.5
14-7.32-2.68
15÷(0.15×0.4)
3.6-3.6×0.5
32.4×0.9+0.1×32.4
2.5×7.1×4
63.4÷2.5÷0.4
2.64+8.67+7.36+11.33
(2.5-0.25)×0.4
15÷0.25
(7.7+1.54)÷0.7
16.12×99+16.12
3.9÷(1.3×5)
2.7÷45
9.16×1.5-0.5×9.16
0.35×1.25×2×0.8
0.25×0.046
5.2×0.9+0.9
0.12×0.5×0.16= 7.28×99+7.28 4.3×50×0.2
64-2.64×0.5 9.5×99 26×15.7+15.7×24
(2.275 +0.625)×0.28 1.2×(9.6÷2.4)÷4.8 12.5×8.8
8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
3.94+34.3×0.2 8.05×3.4+7.6 6.58×4.5×0.9
2.8×0.5+1.58 (1.25-0.125)×84.8×100.1 56.5×99+56.5
7.09×10.8-0.8×7.09 4.8-4.8×0.5 4.85 + 0.35 ÷ 1.4
8.7 × 17.4 - 8.7 × 7.4 32+4.9-0.9 9.5×101
12.5×0.4×2.5×8 0.87×3.16+4.64 0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4) 2.13.×0.×8257
3.8×10.1
4.4×0.8-3.4×0.8
4.2.×1.+1.×1.75
2.5×1.25×0.32
0.25×39+0.25
1.53+23.4÷7.2
0.25×185×40
6.81+6.81×99
7.69×101
0.125×72
2.5×(3.8×0.04)
46×0.33+54×0.33
(8×5.27) ×1.25
3.75÷0.125–2.75
0.25×185×40
(9.37+9.37+9.37+9.37)× 2.5
2.37×6.3+2.37×3.7
13.5×0.98
6.8×0.75÷0.5
6.81+6.81×99
3.12+3.12×99
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