3.6*31又五分之二+3.14*64的简便运算

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3.6*31又五分之二+3.14*64的简便运算3.6*31又五分之二+3.14*64的简便运算3.6*31又五分之二+3.14*64的简便运算3.6*31又五分之二+3.14*64=3.6*31.4

3.6*31又五分之二+3.14*64的简便运算
3.6*31又五分之二+3.14*64的简便运算

3.6*31又五分之二+3.14*64的简便运算
3.6*31又五分之二+3.14*64
=3.6*31.4+31.4*6.4
=31.4*(3.6+6.4)
=31.4*10
=314

=3.6*31.4+3.14*64=36*3.14+3.14*64=3.14*(36+64)=314