5.75-[(-3/8)+(-0.5)-(-5/6)+14/3]-1/8

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5.75-[(-3/8)+(-0.5)-(-5/6)+14/3]-1/85.75-[(-3/8)+(-0.5)-(-5/6)+14/3]-1/85.75-[(-3/8)+(-0.5)-(-5/6)+1

5.75-[(-3/8)+(-0.5)-(-5/6)+14/3]-1/8
5.75-[(-3/8)+(-0.5)-(-5/6)+14/3]-1/8

5.75-[(-3/8)+(-0.5)-(-5/6)+14/3]-1/8
自己用计算器算啊,电脑都会用还怕这个不成
5.75-[(-3/8)+(-0.5)-(-5/6)+14/3]-1/8
=5.75-[-0.375-0.5+5/6+28/6]-0.125
=5.75-[-0.875+5.5]-0.125
=5.75-4.625-0.125
=1

5.75-[(-3/8)+(-0.5)-(-5/6)+14/3]-1/8
= 23/4 + 3/8 + 1/2 - 5/6 - 14/3 - 1/8
=（138+9+12-20-112-3）/24
=24/24
=1