(-1/2)+31/4+2.75+(-61/2)
=-2/4+31/4+11/4-122/4
=(-2+31+11-122)/4
=-82/4
=-41/2
有理數(shù)加法運(yùn)算(-1/2)+31/4+2.75+(-61/2)怎么解?
有理數(shù)加法運(yùn)算(-1/2)+31/4+2.75+(-61/2)怎么解?
數(shù)學(xué)人氣：938 ℃時(shí)間：2020-03-15 12:56:00
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