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иван4809
@иван4809
August 2022
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x÷6,3=2 1/7÷1,25 найти неизвестный член пропорции
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vmaluga2011
Х:6,3=2 1/7:1,25
1,25х=6,3*2 1/7
1 1/4*х=189/14
5/4*х=27/2
х=27/2:5/4
х=54/5
х=10 4/5 (или 10,8)
10 4/5:6,3=2 1/7:1,25
54/5:63/10=15/7:5/4
108/63=12/7
12/7=12/7
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Answers & Comments
1,25х=6,3*2 1/7
1 1/4*х=189/14
5/4*х=27/2
х=27/2:5/4
х=54/5
х=10 4/5 (или 10,8)
10 4/5:6,3=2 1/7:1,25
54/5:63/10=15/7:5/4
108/63=12/7
12/7=12/7