2.65*1.7+1.35*1.7怎么解
问题描述:
2.65*1.7+1.35*1.7怎么解
答
2.65*1.7+1.35*1.7
=(2.65+1.35)*1.7
=4*1.7
=4*(2-0.3)
=4*2-4*0.3
=8-1.2
=6.8
答
2.65*1.7+1.35*1.7
=(2.65+1.35)*1.7
=4*1.7
=6.8