题目内容
0.5×2= | 0.6×0.7= | 0.99-0.09= | 0.5-0.05= |
| 1×0.34= | 0.2×0.6= | 0×2.37= | 1.2×101= |
| 解:(1)0.5×2=1 | (2)0.6×0.7=0.42 | (3)0.99-0.09=0.9 | (4)0.5-0.05=0.45 |
| (5)1×0.34=0.34 | (6)0.2×0.6=0.12 | (7)0×2.37=0 | (8)1.2×101=121.2 |
分析:(1)(2)(6)根据小数乘法的计算方法进行计算,
(3)(4)根据小数减法的计算方法进行计算,
(5)任何数同1相乘都得原数,
(7)0乘任何数得0,
(8)根据乘法分配律进行计算.
点评:本题考查了学生小数加减和小数乘法的计算能力,注意计算结果的准确性.
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