做题: 3÷1/4-3×1/4 13/4×4-4÷4/3 脱式计算

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做题:3÷1/4-3×1/413/4×4-4÷4/3脱式计算做题:3÷1/4-3×1/413/4×4-4÷4/3脱式计算做题:3÷1/4-3×1/413/4×4-4÷4/3脱式计算3÷1/4-3×1/

做题: 3÷1/4-3×1/4 13/4×4-4÷4/3 脱式计算
做题: 3÷1/4-3×1/4 13/4×4-4÷4/3 脱式计算

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

3÷1/4-3×1/4
=3*4+3/4
=12.75
13/4×4-4÷4/3
=13+4*3/4
=13+3
=16

3÷1/4 - 3×1/4
= 12 - 3/4
= 11.25
13/4×4 - 4÷4/3
= 13 - 3
= 10