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Алия2004
@Алия2004
August 2022
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найдите значение выражения 7/8:(0,75*14/15:1,2)
ОТВЕТ ДОЛЖЕН БЫТЬ 3/4(ДРОБЬЮ)
ДАЮ 15 БАЛЛОВ!!!!!!!!
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Igornatev
7/8:(0,75*14/15:1,2)
75/100=3/4
3/4×14/15=42/60=7/10
1,2=1 2/10= 1 1/5= (1+1·5)/5=6/5
7/10:6/5=7/10·5/6=35/60=7/12
7/8:7/12=7/8·12/7=12/8=3÷2=1 1/2
проверил...ответ 1 1/2 или 1.5
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Answers & Comments
75/100=3/4
3/4×14/15=42/60=7/10
1,2=1 2/10= 1 1/5= (1+1·5)/5=6/5
7/10:6/5=7/10·5/6=35/60=7/12
7/8:7/12=7/8·12/7=12/8=3÷2=1 1/2
проверил...ответ 1 1/2 или 1.5