15.6×3.4+1.56×66= 简便计算

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15.6×3.4+1.56×66=简便计算15.6×3.4+1.56×66=简便计算15.6×3.4+1.56×66=简便计算=15.6×3.4+15.6×6.6=15.6×(3.4+6.6)=15.

15.6×3.4+1.56×66= 简便计算
15.6×3.4+1.56×66= 简便计算

15.6×3.4+1.56×66= 简便计算
= 15.6×3.4+15.6×6.6
= 15.6×(3.4+6.6)
= 15.6×10
= 156