九分之四乘37.5%+八分之三除以五分之九 怎样简算?
问题描述：
九分之四乘37.5%+八分之三除以五分之九 怎样简算?
答
4/9*37.5%+3/8 / 9/5
=4/9*375/100+3/8*5/9
=5/3+5/24
=40/24+5/24
=45/24
=15/8
答
(4/9)*37.5%+(3/8)/(9/5)
=(4/9)*37.5%+(3/8)*(5/9)
=(4/9)*(37.5/100)+5/24
=(1/3)*(12.5/25)+5/24
=(1/3)*0.5+5/24
=1/6+5/24
=4/24+5/24
=9/24