4.9乘以9.9加0.49怎样简便计算
4.9乘以9.9加0.49怎样简便计算
怎样简便计算18乘以45加24乘以55?
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?
125乘以39加125用简便方法怎样计算
76加38乘以98怎样简便计算
4.83乘以0.59加0.41乘以1.59减0.324乘以5.9用简便方法怎样计算
54乘以73加41乘以73加73乘以5用简便方法怎样计算大神们帮帮忙
256乘以36加88乘以18,用简便方法计算怎样算
5,36乘以8,8加0,536乘以12怎样简便计算
48乘以9.9加4.8怎么简便计算
2.74乘以9.9加0.274怎么简便计算?急!
1.32乘以9.9加0.132(用简便方法计算)