计算2.75-(-1/2)+(-0.125)-(-3/8)-(+4又3/4)
简便计算 0.75+(2又3/4)+(+0.125)+(-12又5/7)+(-4又1/8)
计算,3又1/4+(-2又3/5)+5又3/4+(-8又2/5)
计算3又3/4-8又1/6-(2又1/2)-1又5/6.
计算2.75-(-1/2)+(-0.125)-(-3/8)-(+4又3/4)
简便计算:-3又3/4+1.125-1.25+4又7/8-2又1/7;
计算:(-2又3/4)+1又2/3+0.75+(+1/8)+(-3.125)
计算:8又3/4÷[0.375×(7-2又1/14×2又1/3)+1/6]
计算:11又4分之3-(+3.25)-(-8又2分之1)-(+0.75)-20又4分之1
简便计算(4又2/7+2又2/11)除以(1又3/7+8/11)
计算:-(1又2/3-4又11/12)-(13又11/18+3又1/4)
19+9又1/2+7又1/4+3又1/8+8又1/16怎么计算?
计算:-3又1/2÷7/8×(-3/4) 计算:(-8)÷(-1又1/9)*0.125