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sabinasuynaliev
@sabinasuynaliev
July 2022
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Найдите значение выражения: а) 9 8\15-4 1\12+3 7\20
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ndusha
Verified answer
9 8\15-4 1\12+3 7\20=
9 32/60-4 5/60+3 21/60=8 48/60==8 4/5=8,8
9 8/15=9 (8*4)/(15*4)=9 32/60
4 1/12=4 (1*5)/(12*5)=4 5/60
3 7/20=3 (7*3)/(20*3)=3 21/60
9 32/60-4 5/60=5 27/60
5 27/60+3 21/60=8 48/60=8 4/5
5 votes
Thanks 6
sabinasuynaliev
а можно по действиям
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Verified answer
9 8\15-4 1\12+3 7\20=9 32/60-4 5/60+3 21/60=8 48/60==8 4/5=8,89 8/15=9 (8*4)/(15*4)=9 32/60
4 1/12=4 (1*5)/(12*5)=4 5/60
3 7/20=3 (7*3)/(20*3)=3 21/60
9 32/60-4 5/60=5 27/60
5 27/60+3 21/60=8 48/60=8 4/5