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1又2/3×[7又5/6+(4.125-4又1/8)-4又5/6] [(2/3+1/4...

(-4又1/8)-|-1+2+0.125|-|-3又1/3|-(-6又1/7)+(-5又1/7)

您好: 原式=-1/8+25又3/5-5又7/8-25.6 =-1/8-5又7

45×1/8+24×12.5%-21×0.125 因为1/8=12.5%=0.125,所以这道题是提

6.5*1又1/4+1.25+2.5*125% =6.5*1.25+1.25*1+2.5*1.25

(1)0.125×3/4+1/8×8.25+12.5% =0.125×0.75+0.125×8.2

(1)3.28-4.76+1 - ; (2)2.75-2 -3 +1 ; (3)42÷(-1 )-1

40.6÷0.54x8.7x54÷0.87 =40.6×54÷0.54×87÷0.87 =40.6×

5/2x{5/716(4.125一33/8)一29/6}= 一145/12

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