7分之5加1.625减7分之5加8分之3
问题描述:
7分之5加1.625减7分之5加8分之3
答
=3/4-9x(1/9-1/3)
=3/4-(1-3)
=3/4+2
=11/4 =3/4-9x(1/9-1/3)
=3/4-(1-3)
=3/4+2
=11/4
答
5/7+1.625-5/7+3/8
=(5/7-5/7)+(13/8+3/8)
=0+2
=2
答
5/7+1.625-5/7+3/8
=1.625+3/8
=1.625+0.375
=2
答
2