算术35.6乘以3.14加上31.4乘以1.23加上0.479乘以686怎么简算
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算术35.6乘以3.14加上31.4乘以1.23加上0.479乘以686怎么简算算术35.6乘以3.14加上31.4乘以1.23加上0.479乘以686怎么简算算术35.6乘以3.14加上31.4乘以
算术35.6乘以3.14加上31.4乘以1.23加上0.479乘以686怎么简算
算术35.6乘以3.14加上31.4乘以1.23加上0.479乘以686怎么简算
算术35.6乘以3.14加上31.4乘以1.23加上0.479乘以686怎么简算
35.6×3.14+31.4×1.23+0.479×68.6
=3.56×31.4+31.4×1.23+0.479×6.6
=（3.56+1.23）×31.4+0.479×68.6
=4.79×（31.4+68.6)
=4.79×100
=479
444.2402
35.6x3.14+31.4x1.23+0.479x686
=3.14x(35.6+12.3)+0.479x686
=3.14x47.9+0.479x686
=47.9x(3.14+6.86)
=479
算术35.6乘以3.14加上31.4乘以1.23加上0.479乘以686怎么简算
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