(-2又3/4)+12又5/7+(-4.125)+0.75+1/8=多少?列式计算!
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(-2又3/4)+12又5/7+(-4.125)+0.75+1/8=多少?列式计算!(-2又3/4)+12又5/7+(-4.125)+0.75+1/8=多少?列式计算!(-2又3/4)+12又5/7+
(-2又3/4)+12又5/7+(-4.125)+0.75+1/8=多少?列式计算!
(-2又3/4)+12又5/7+(-4.125)+0.75+1/8=多少?列式计算!
(-2又3/4)+12又5/7+(-4.125)+0.75+1/8=多少?列式计算!
(-2又3/4)+12又5/7+(-4.125)+0.75+1/8
= -2又3/4+0.75+1/8+(-4.125)+12又5/7
= -2+(-4)+12又5/7
= -6+12又5/7
=5又2/7