一、直接写出得数。
0.64÷0.16 = 10÷0.25 = 2.7÷0.3 =
7.5÷2.5 = 1.4×80 = 54÷2.7 =
2.6×0.5 = 0.3×0.09 = 3.6×20 =
4 - 0.9 = 3.7 + 6.4 = 0.56÷28 =
1.5×2 = 0.72÷3.6 = 0.8×0.13 =
0.7×7 = 7.3 + 0.3 = 82 - 7.2 =
0.53 - 0.3 = 1.8×0.5 = 7.2÷0.72 =
0.64÷0.16 = 10÷0.25 = 2.7÷0.3 =
7.5÷2.5 = 1.4×80 = 54÷2.7 =
2.6×0.5 = 0.3×0.09 = 3.6×20 =
4 - 0.9 = 3.7 + 6.4 = 0.56÷28 =
1.5×2 = 0.72÷3.6 = 0.8×0.13 =
0.7×7 = 7.3 + 0.3 = 82 - 7.2 =
0.53 - 0.3 = 1.8×0.5 = 7.2÷0.72 =
答案:
4 40 9
@@3 112 20
@@1.3 0.027 72 3.1 10.1 0.02
@@3 0.2 0.104
@@4.9 7.6 74.8
@@0.23 0.9 10
@@3 112 20
@@1.3 0.027 72 3.1 10.1 0.02
@@3 0.2 0.104
@@4.9 7.6 74.8
@@0.23 0.9 10
二、列竖式计算。
7.41÷3.9 = 6.66÷0.45 = 23.6×70 =

3.14×2.7 = 12.6÷0.28 = 4.06×0.35 =
7.41÷3.9 = 6.66÷0.45 = 23.6×70 =
3.14×2.7 = 12.6÷0.28 = 4.06×0.35 =
答案:
1.9 14.8 1652
@@8.478 45 1.421
@@8.478 45 1.421
三、计算下面各题,能简算的要简算。
6.5 + 2.1×1.5 (4.5 - 2÷4)×0.5 3.6×[(12.5 - 12.5÷2.5)÷1.5]
6.5 + 2.1×1.5 (4.5 - 2÷4)×0.5 3.6×[(12.5 - 12.5÷2.5)÷1.5]
答案:
9.65 2 18
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