怎样简便计算35.6*4.9+3.56*51
问题描述:
怎样简便计算35.6*4.9+3.56*51
答
35.6*4.9+3.56*51
=3.56*49+3.56*51
=3.56x(49+51)
=3.56x100
=356
答
35.6*4.9+3.56*51
=35.6*4.9+35.6*5.1
=35.6*(4.9+5.1)
=35.6*10
=356