2.4*0.19+0.24*8.1的简便运算是什么
问题描述:
2.4*0.19+0.24*8.1的简便运算是什么
答
解:原式=2.4*0.19+2.4*0.81
=2.4×(0.19+0.81)
=2.4×1
=2.4
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答
2.4*0.19+0.24*8.1
=2.4*0.19+2.4*0.81
=2.4*(0.19+0.81)
=2.4*1
=2.4