Question

4.8*0.52+0.48的简便计算方法(小学五年级)

儿子问我，我不会，是不是很笨啊，谢谢啦哈哈哈

Answer 1

您好：

4.8*0.52+0.48
=4.8*0.52+4.8x0.1
=4.8x(0.52+0.1)
=4.8x0.62
=5x0.62-0.2x0.62
=3.1-0.124
=2.976

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Answer 2

原式=0.48*5.2+0.48
=0.48*（5.2+1）
=0.48*6.2
=2.976

Answer 3

4.8*0.52+0.48
=0.48*5.2+0.48
=0.48*（5.2+1）
=3.024

Answer 4

4.8*0.52=2.496 2.496+0.48=2.976

Answer 5

4.8*5.2+0.48
=0.48*52+0.48*1
=0.48*(52+1)
=0.48*53
=2.976