58.36×0.5+18.2简便运算？
1个回答
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58.36×0.5+18.2
=58.36×1/2+18.2
=29.18+18.2
=29+18+0.18+0.2
=47.38
___________________
58.36×0.5+18.2
=58×0.5+0.36×0.5+18.2
=29+0.18+18.2
=29+18+0.18+0.2
=47+0.38
=47.38
=58.36×1/2+18.2
=29.18+18.2
=29+18+0.18+0.2
=47.38
___________________
58.36×0.5+18.2
=58×0.5+0.36×0.5+18.2
=29+0.18+18.2
=29+18+0.18+0.2
=47+0.38
=47.38
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