简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2

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简便运算3.14×11/8+0.314×25/4-31.4×0.2简便运算3.14×11/8+0.314×25/4-31.4×0.2简便运算3.14×11/8+0.314×25/4-31.4×0.2简

简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2
简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2

简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2
简便运算
3.14×11/8 +0.314×25/4 -31.4×0.2
=3.14×11/8 +3.14×5/8 -3.14×2
=3.14×(11/8+5/8-2)
=3.14×0
=0