出险率公式小学四年级小数乘除法计算题300道

2020年10月7日发(作者：云照光)

185.44÷16 41.84÷7 21.7÷9 67.5÷105 230.4÷0.6
121.24÷36 0.736÷23 43.5×12 35.21÷7 39.6×24
6.21÷0.03 210÷1.4 51.3÷0.27 91.2×3.8 0.756÷0.18
0.66÷0.3 11.97×1.5 69.6÷2.9 38.4÷0.8 15÷0.06
15.6×2.9 3.77×1.8 0.02×96 5.22×0.3 9.99×0.02
4.67÷0.9 5×2.44 1.666÷6.1 9.432×0.002 5.6×6.5
4.88÷2.9 0.61×4.3 8.9÷2.4 5.5×55 9.77×0.02
1.384÷5.1 8.78×83 12.6×61 0.059×0.2 4.268×1.7
5.7×5.7 9.46×2.85 17.8×6.4 1.5÷4.9 12.5×0.88
5.555×5.2 2.22×3.33 7.658×85 36.02÷0.3 56.78×8

（循环小数的用简便方法，除不尽保留2位小数）：
8.2÷0.12 0.8÷0.9 76.4÷5.4 4.7÷3 1.25÷1.2
32÷42 14.36÷2.7 8.33÷6.2 1.7÷0.03 2.41÷0.7
0.396÷1.2= 0.756÷0.36= 15.6×1.3= 0.18×1.5=
0.025×1.4= 13.06×36= 0.04×0.12＝ 3.84×2.6≈
5.76×3＝ 17.15×22 90.75÷3.3 3.68×0.25
16.9÷0.13 1.55÷3.9 3.7÷0.016 13.76÷0.8=
5.2×0.6 18.4÷1.3 6.4×0.5 4.48×0.4
15.25×5 35.4×4.2 0.042×0.54 0.76÷0.32
0.25×0.046 2.52×3.4 1.08÷25 0.12×0.5×0.16＝
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）
3能简算的要简算
2.5×7.1×4 16.12×99＋16.12 5.2×0.9＋0.9
7.28×99+7.28 4.3×50×0.2 64－2.64×0.5
26×15.7＋15.7×24 (2.275 ＋0.625)×0.28 3.94+34.3×0.2
1.2×(9.6÷2.4)÷4.8 8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46

8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58
32＋4.9－0.9 4.8－4.8×0.5 (1.25－0.125)×8
4.8×100.1 56.5×99＋56.5 7.09×10.8－0.8×7.09
4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4 12.5×0.4×2.5×8
0.87×3.16+4.64 9.5×101 0.68 ÷（5.2 -3.5）× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×（15 ÷ 2.4）
6.81+6.81×99 0.25×185×40 4.4×0.8－3.4×0.8
(9.37+9．37+9．37+9．37)× 2．5 2.37×6.3+2.37×3.7
2.5×1.25×0.32 3.8×10.1 2.5×(3.8×0.04) 7.69×101
3.8×10.1 0.25×39+0.25 0.125×72 46×0.33+54×0.33
(8×5.27) ×1.25 6.81+6.81×99 0.25×185×40
6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2
9.5×99 13.5×0.98 12.5×8.8
3.8×0.12= 0.57×0.6= 6.4×0.5= 6.7×5.8= 9.8×3.8=
7.8×6.4= 4.6×2.7= 4.5×2.7=
5×1.6= 3×0.6= 3×1.2= 6.7×7.6= 5.4×
7.8= 2.6×3.6= 3.5×1.7= 8.3×2.6= 1.4×0.7=
4.5×2.8= 7.4×2.6= 6.2×1.4=
5.4×2.6= 2.3×1.4= 3.7×1.8= 5.2×1.6=3.6×0.8=
0.66×1.4= 6.5×5.8= 0.72×0.49= 0.42×0.28= 0.24×0.19=
2.4×1.3= 4.5×2.3=
0.72×0.27= 0.78×0.32= 0.65×0.04= 0.23×0.16= 0.29×
0.15= 0.16×0.19= 4×1.2= 7×4.6= 6×0.37=
0.28×0.27= 0.75×0.42= 2.3×1.9=
8×0.64= 2.7×0.8= 10×4.2= 7.1×3.9= 4.3×1.4=
2.6×1.6= 0.8×0.3= 0.65×0.4= 0.91×0.6= 1.8×1.6=
4.8×0.5= 3.2×0.4=
9.8×4.8= 12×8.3= 15.2×6.5= 20.1×11.1= 13.34×
10.32= 6.52×0.48= 6.3×5.1= 8.7×3.6= 14.3×4.3=
1.5×0.54= 10×4.2= 2.47×3.24=
2.98×0.56= 5.64×1.78= 8.02×0.98= 7.1×3.9= 2.8×
11.39= 12.53×4.67= 7.2×6.45= 1.65×3.35= 7.96×1.45=
60×1.27= 6.07×4.89= 5×0.41=
0.9×0.5= 2×0.7= 1.2×4.3=

5.4×2.7= 6×2.9= 3.7×1.7= 4.2×0.8= 7.5×