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sergeykirill
@sergeykirill
March 2022
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Вычислите: 3 1/4:(3/4-7/5)-2•1 3/7
Решите по действиям, заранее спасибо.
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nikol881
1) 3/4-7/5=15/20-28/20= - 13/20
2) 3 1/4:( -13/20)=13/4:(-13/20)=13/4*(-20/13)=-5
3) 2*1 3/7=2*10/7=20/7=2 6/7
4) -5-2 6/7= -7 6/7
2 votes
Thanks 3
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Answers & Comments
2) 3 1/4:( -13/20)=13/4:(-13/20)=13/4*(-20/13)=-5
3) 2*1 3/7=2*10/7=20/7=2 6/7
4) -5-2 6/7= -7 6/7