9.81×0.1+0.5×98.1+0.049×981
=981×0.001+0.05×981+0.049×981
=981×（0.001+0.05+0.049）
=981×0.1
=98.1
这道计算题怎么简算?9.81×0.1+0.5×98.1+0.049×981
5个回答
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9.81×0.1+0.5×98.1+0.049×981．
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9.81×0.1+0.5×98.1+0.049×981．
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9.81×0.1+0.5×98.1+0.049×981．
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9.81×0.1+0.5×98.1+0.049×981．
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98.1*0.01+5*9.81+0.049*981
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几道简便计算题（1）9.81X0.1+0.5X98.1+0.049X981=（2）7.8÷[(9-8.98)X2.5}
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9.8*0.1+0.5*98.1+0.049*981怎样计算简便
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简算：4.5×0.98＋9.8×0.55
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2.1×0.5÷4.2 这道题的简算 99×3/98（/为分号） 这道题的简算
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