做题: 3÷1/4-3×1/4 13/4×4-4÷4/3 脱式计算

问题描述:

做题: 3÷1/4-3×1/4 13/4×4-4÷4/3 脱式计算

3÷1/4-3×1/4 13/4×4-4÷4/3
=12-3/4
=11又1/4
13/4×4-4÷4/3
=13-3
=10