48*(7/12+5/600)除以2/3 1/8+(1/8+1/30)*1548*(7/12+5/600)除以2/3 1/8+(1/8+1/30)*15
问题描述:
48*(7/12+5/600)除以2/3 1/8+(1/8+1/30)*15
48*(7/12+5/600)除以2/3 1/8+(1/8+1/30)*15
答
用计算器
答
括号内通分在按顺序计算就行了,小学的四则混合运算。
答
48*(7/12+5/600)/(2/3)
=48*(7/12+5/600)*3/2
=24*(7/12+5/600)*3
=42+360/600
=42.6
1/8+(1/8+1/30)*15
=(15/8+1/8+1/30)*15
=(2+1/30)*15
=30.5
答
22