题目内容
列竖式计算.( ①③小题请验算)
①2.95×5.4= | ②1.43×0.67≈(得数保留两位小数.) | ③6.84÷0.36= | ④7.9÷0.35≈(得数保留两位小数.) |
分析:根据小数竖式计算的方法进行解答即可.
解答:解:(1)2.95×5.4=15.93;
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(2)1.43×0.67≈0.96;
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(3)6.84÷0.36=19;
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(4)7.9÷0.35≈22.57;
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(2)1.43×0.67≈0.96;
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(3)6.84÷0.36=19;
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(4)7.9÷0.35≈22.57;
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点评:本题考查了小数乘除法的计算方法及乘除法的验算方法,“四舍五入”求近似数的方法.
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