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marynacat
@marynacat
October 2021
1
5
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Вычислите, применяя распределительное свойство :
1) 1 2/5 × 2 5/7 - 1 2/5 × 3/14
2) 1/9 × 1 5/6 + 1 1/6 × 1/9
3) 1 3/8 × 3/5 - 3/5 + 1/8
Дам 20 баллов !срочно прошу
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boriayz771
А)1 2/5*(2 5/7 -3/14)=1 2/5*2 7/14=7/5*5/2=7/1*1/2=7/5=3 1/2
2 votes
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