3 9/14:(1 3/7-5/21*0,9)-0,76. Created by alinochka112004. matematika-ru

21*0,9)-0,76...

alinochka112004 @alinochka112004

September 2021 1 4 Report

3 9/14:(1 3/7-5/21*0,9)-0,76

Answers & Comments

svetazuna 3 9/14 : (1 3/7 - 5/21 * 0,9) - 0,76 = 2,24,

1) 5/21 * 0,9 = 5/21 * 9/10 = 3/14,
2) 1 3/7 - 3/14 = 10/7 - 3/14 = 20/14 - 3/14 = 17/14 = 1 3/14,
3) 3 9/14 : 1 3/14 = 51/14 : 17/14 = 51/14 * 14/17 = 3,
4) 3 - 0,76 = 2, 24

1 votes Thanks 1

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7 pomogite pzh7c32ba69925d839eeaa9e366e8de06e0 66210

izvestno chto 280 g pervogo rastvora soderzhit 98 g soli a 220 g vtorogo rastvor34b5ee92ffa62d67eb452a7e7e234e05 33599

4ostatka skolko konfet ostalos sest v 3 den

chkakoe rasstoyanie budet mezhdu nimi cherez 3 ch56502337ebf830bd98e218b4df951c96 59797

chto predstavlyali soboj dzhungli na beregah ganga95c3cfc07965a46538ff726bee446ff7 80127

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