0.79乘以0.46加7.9乘以0.24加11.4乘以0.079怎样简便计算?
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0.79乘以0.46加7.9乘以0.24加11.4乘以0.079怎样简便计算?
0.79乘以0.46加7.9乘以0.24加11.4乘以0.079怎样简便计算?
0.79乘以0.46加7.9乘以0.24加11.4乘以0.079怎样简便计算?
=0.79×0.46+0.79×0.024+1.14×0.79
=0.79×(0.46+0.024+1.14)
=0.79×(0.46+1.14+2.4)
=0.79×4
=2.96
0.079*(4.6+24+11.4)=0.079*40
0.79乘以0.46加7.9乘以0.24加11.4乘以0.079怎样简便计算?
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