两道有理数除法题~16÷1/4x(-4)=35÷(7-5)=

问题描述:

两道有理数除法题~
16÷1/4x(-4)=
35÷(7-5)=

16÷1/4x(-4)
= 64X (-4)
= - 256
35÷(7-5)
=35 ÷ 2
= 17.5