14.7除4加14.7乘0.25 9.15减22.94除3.7 3.6除{1.3+0.5】乘5以上题用简便方法计算

14.7除4加14.7乘0.25
=14.7*0.25+14.7*0.25
=14.7*0.25*2
=14.7*0.5
=7.35
9.15减22.94除3.7
=9.15-6.2
=2.95
3.6除{1.3+0.5】乘5
= (3.6/4.5)*5
=4