一、直接写出得数。
5.7÷0.19 = ________ 2.2 - 1.74 = ________ 0.08×80 = ________
2.84 + 0.6 = ________ 0.15×6 = ________ 6.4 - 5 = ________
0.34 + 1.66 = ________ 3.2 + 6.8 = ________ 0.18÷0.2 = ________
5.4÷3 = ________ 5.6×0.3 = ________ 2.4×40 = ________
2.5×0.6 = ________ 7.7÷11 = ________ 7.5÷0.15 = ________
0.54 + 0.45 = ________ 8÷0.2 = ________ 1÷50 = ________
4.5 + 3.8 = ________ 0.7×0.13 = ________ 0.78÷0.3 = ________
5.7÷0.19 = ________ 2.2 - 1.74 = ________ 0.08×80 = ________
2.84 + 0.6 = ________ 0.15×6 = ________ 6.4 - 5 = ________
0.34 + 1.66 = ________ 3.2 + 6.8 = ________ 0.18÷0.2 = ________
5.4÷3 = ________ 5.6×0.3 = ________ 2.4×40 = ________
2.5×0.6 = ________ 7.7÷11 = ________ 7.5÷0.15 = ________
0.54 + 0.45 = ________ 8÷0.2 = ________ 1÷50 = ________
4.5 + 3.8 = ________ 0.7×0.13 = ________ 0.78÷0.3 = ________
答案:
30 0.46 6.4
@@3.44 0.9 1.4
@@2 10 0.9
@@1.8 1.68 96
@@1.5 0.7 50
@@0.99 40 0.02
@@8.3 0.091 2.6
@@3.44 0.9 1.4
@@2 10 0.9
@@1.8 1.68 96
@@1.5 0.7 50
@@0.99 40 0.02
@@8.3 0.091 2.6
二、列竖式计算。
102×4.5 = ________ 2.52×3.4 = ________ 72.8÷5.6 = ________

5.68×1.3 = ________ 1.23÷0.03 = ________ 16.82÷24≈________(得数保留两位小数)
102×4.5 = ________ 2.52×3.4 = ________ 72.8÷5.6 = ________
5.68×1.3 = ________ 1.23÷0.03 = ________ 16.82÷24≈________(得数保留两位小数)
答案:
459 8.568 13
7.384 41 0.70
三、计算下面各题,能简算的要简算。
37.2÷1.25÷8 5.4×12.3 + 54×0.77 1.56×99
37.2÷1.25÷8 5.4×12.3 + 54×0.77 1.56×99
答案:
3.72 108 154.44
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