简便运算:23/12-8/9×3/4-1/3

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简便运算:23/12-8/9×3/4-1/3简便运算:23/12-8/9×3/4-1/3简便运算:23/12-8/9×3/4-1/323/12-8/9×3/4-1/3=23/12-2/3-1/3=23

简便运算:23/12-8/9×3/4-1/3
简便运算:23/12-8/9×3/4-1/3

简便运算:23/12-8/9×3/4-1/3
23/12-8/9×3/4-1/3
=23/12-2/3-1/3
=23/12-(2/3+1/3)
=23/12-1
=11/12

23/12-8/9×3/4-1/3
=23/12-2/3-1/3
=23/12-(2/3+1/3)
=23/12-1
=11/12