10.6-（3 又3/4+1/8+12.5%)/0.625_其他解答

10.6-（3 又3/4+1/8+12.5%)/0.625

人气：449 ℃　时间：2020-04-13 13:38:05

解答

10.6-(3又3/4+1/8+12.5℅)/0.625
=10.6-[15/4+(1/8+1/8)]÷5/8
=10.6-(15/4+1/4)×8/5
=10.6-4×1.6
=10.6-6.4
=4.2