0-1/2-(+2/5)-(-3/4)-(+1/4)等于多少?
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0-1/2-(+2/5)-(-3/4)-(+1/4)等于多少?0-1/2-(+2/5)-(-3/4)-(+1/4)等于多少?0-1/2-(+2/5)-(-3/4)-(+1/4)等于多少?原式=0-(1
0-1/2-(+2/5)-(-3/4)-(+1/4)等于多少?
0-1/2-(+2/5)-(-3/4)-(+1/4)等于多少?
0-1/2-(+2/5)-(-3/4)-(+1/4)等于多少?
原式=0-(10+8-15+5)/20=0-2/5=-2/5
很简单负五分之二
原式=0-1/2-2/5+3/4-1/4
=0.75-1.15
=-0.4
跪求采纳!
很简单负五分之二
0-(+2/1)-(+5/2)-(-4/3)-(+4/1)-(-5/3)
0-(+2/1)-(+5/2)-(-4/3)-(+4/1)
0-1/2-(+2/5)-(-3/4)-(+1/4)等于多少?
0-1/2-(+2/5)-(-3/4)-(+1/4)等于多少?
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