75-[(-3/8)+(-1/2)-(-5/6)+4又2/3]-0.1253.75-[(-3/8)+(-1/2)-(-5/6)+4又2/3]-0.125/等于分数线、4又2/3=4又3分之2

问题描述:

75-[(-3/8)+(-1/2)-(-5/6)+4又2/3]-0.125
3.75-[(-3/8)+(-1/2)-(-5/6)+4又2/3]-0.125
/等于分数线、4又2/3=4又3分之2

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