а)(-1/2-0,8+3/5)*(3+5 8/25-0,12) =?
б)(2 3/4 +0,15-1 8/25):(-2 1/2+1 3/4-0,04)=?
в)(-2,314+1/4):1/50+(1 11/16+0,7125)%(-3)=?
г)-1,456:7/25+5/16:(-0,125)-4 1/2*0,8=?
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