题目内容
0.44×27+2.7×5.7-0.27.
解:0.44×27+2.7×5.7-0.27,
=4.4×2.7+2.7×5.7-2.7×0.1,
=(4.4+5.7-0.1)×2.7,
=10×2.7,
=27.
分析:把0.44×27+2.7×5.7-0.27化成4.4×2.7+2.7×5.7-2.7×0.1,再运用乘法分配律进行简算.
点评:此题考查了灵活运用乘法分配律进行简算.
=4.4×2.7+2.7×5.7-2.7×0.1,
=(4.4+5.7-0.1)×2.7,
=10×2.7,
=27.
分析:把0.44×27+2.7×5.7-0.27化成4.4×2.7+2.7×5.7-2.7×0.1,再运用乘法分配律进行简算.
点评:此题考查了灵活运用乘法分配律进行简算.
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