3.14×6.8+31.4×0.32点样简便运算啊

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3.14×6.8+31.4×0.32点样简便运算啊3.14×6.8+31.4×0.32点样简便运算啊3.14×6.8+31.4×0.32点样简便运算啊3.14×6.8+31.4×0.32=31.4*0

3.14×6.8+31.4×0.32点样简便运算啊
3.14×6.8+31.4×0.32
点样简便运算啊

3.14×6.8+31.4×0.32点样简便运算啊
3.14×6.8+31.4×0.32
=31.4*0.68+31.4*0.32
=31.4I*(0.68+0.32)
=31.4*1
=31.4

3.14×6.8+31.4×0.32
=31.4*0.68+31.4×0.32
=31.4*(0.68+0.32)
=31.4