问题标题:
【数学脱式计算】能简便的要简便快来救救我吧!4/9X7/11X27X4428X(5/18÷35/27)99X3/5(5/6-4/3)÷5/124/5+3/8X4/3-3/10(1-4/5X1/12)÷1/3(4/3+2/3
问题描述:
【数学脱式计算】能简便的要简便
快来救救我吧!
4/9X7/11X27X4428X(5/18÷35/27)99X3/5(5/6-4/3)÷5/12
4/5+3/8X4/3-3/10(1-4/5X1/12)÷1/3(4/3+2/3+1/6)÷1/243.2X1.25X2.5
(要脱式计算,不是直接给答案,要过程!)
刘铁军回答:
4/9X27X{7/11X44}28X3/7100X3/5-3/512/5X5/6-4/3X12/5
=12X28=12=60-3/5=2-3.2
=336=59.4=-1.2
4/5+1/2-3-103-0.232+16+40.8X1.25X{4X2.5}
=0.8+0.2-0.3=2.8=52=1X10
=0.7=10
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