0.36*9.9=?怎么简便计算?
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0.36*9.9=?怎么简便计算?(图1)
======以下答案可供参考======
供参考答案1:
0.36*（10-0.1）=3.6-0.036=3.564
供参考答案2:
0.39*10-0.39*0.1=3.861
供参考答案3:
0.36*9.9
=0.36*(10-0.1)
=0.36*10-0.36*0.1
=3.6-0.036
=3.564
其实用计算器最简单~~
供参考答案4:
0.36*9.9
=0.36*(10-0.1)
=0.36*10-0.36*0.1
=3.6-0.036
=3.564