вычислите наиболее удобным способом 8/9+14/27+1/9 ;(3/17+8/102)+14/17:(1/33+ 3/11)+2/11 2/5(1/20+4/5). Created by 029869871a. matematika-ru

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вычислите наиболее удобным способом 8/9+14/27+1/9 ;(3/17+8/102)+14/17:(1/33+
3/11)+2/11 2/5(1/20+4/5)

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гюйс

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8/9+14/27+1/9=8/9+1/9+14/27=9/9+14/27=1+14/27=1 14/27

(3/17+8/102)+14/17=3/17+14/17+8/102=17/17+8/102=1+4/51=1 4/51

(1/33+3/11)+2/11=1/33+4/11+2/11=1/33+6/11=1/33+18/33=19/33

2/5+(1/20+4/5)=2/5+4/5+1/20=6/5+1/20=1 1/5+1/20=1 4/20+1/20=1 5/20=1 1/4

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