（1/2-1/3）×3/4÷1/4

更新时间2022-04-12 12:26:02

不会

(1/2-1/3)×3/4÷1/4

=(3/6-2/6)x(3/4x4)

=1/6x3

=1/3

【1】

(1/2-1/3)×3/4÷1/4

=1/2×3/4×4-1/3×3/4×4

=3/8×4-1/4×4

=3/2-1

=1/2

【2】

(1/2-1/3)×3/4÷1/4

=(1/2-1/3)×(3/4÷1/4)

=(1/2-1/3)×3

=1/2×3-1/3×3

=3/2-1

=1/2

(1/2-1/3)×3/4÷1/4 

 =(3/6-2/6)x3/4x4

 =1/6x3/4x4 

 =1/8x4

=1/2