
1/2-0.16+1/3-0.24+1/6-0.6+1/12用最简便的方法怎么算?
2个回答
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简便计算
1/2-0.16+1/3-0.24+1/6-0.6+1/12
=(1/2+1/3+1/6+1/12)-(0.16+0.24+0.6)
=(6/12+4/12+2/12+1/12)-1
=13/12-1
=1/12
1/2-0.16+1/3-0.24+1/6-0.6+1/12
=(1/2+1/3+1/6+1/12)-(0.16+0.24+0.6)
=(6/12+4/12+2/12+1/12)-1
=13/12-1
=1/12
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