第1个回答 2021-10-08
解=2.65×1.7+1.35×1.7
=(2.65+1.35)×1.7
=4×1.7
=6.8
第2个回答 2021-10-08
2.65×1.7+1.35×1.7
=(2.65+1.35)×1.7
=4×2-4×0.3
=8-1.2
=6.8
第3个回答 2021-10-07
2.65×1.7+1.35×1.7
=1.7×(2.65+1.35)
=1.7×4
=6.8
第4个回答 2021-10-08
2.65×1.7+1.35×1.7
=1.7×(2.65+1.35)
=1.7×4=6.8
第5个回答 2021-10-07
2.65×1.7+1.35×1.7
=(2.65+1.35)×1.7
=4×1.7
=6.8