如题所述
第1个回答 2011-10-06
5.6=0.7*8，3.5=0.7*5，所以直接算8/5得1.6再乘0.7得1.12
第2个回答 2011-10-06
=5.6÷（0.7X5）
=5.6÷0.7÷5
=8÷5
=1.6
=5.6÷0.7÷5
=8÷5
=1.6
第3个回答 2011-10-06
=(8×0.7)÷(5×0.7)
=8÷5
=8×2÷(5×2)
=16÷10
=1.6本回答被提问者采纳
=8÷5
=8×2÷(5×2)
=16÷10
=1.6本回答被提问者采纳
