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AY2017
@AY2017
July 2022
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решите первые два уравнения
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lekson99
2.5x : 14 = 1/7 : 30
2.5x * 30 = 1/7 * 14
75x = 2
ответ: 2/75
0 votes
Thanks 0
сухарик05
1) 2,5х:14=1/7:30
2,5х*30=14*1/7
2,5х*30=2
2,5х=2:30
2,5х=1/15
х=1/15:5/2
x=2/75
2) 36:35=1/5x:1/12
1/5х*35=36*1/12
1/5х*35=3
1/5х=3:35
1/5x=3/35
x=3/35:1/5
x=3/7
3 votes
Thanks 1
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Answers & Comments
2.5x * 30 = 1/7 * 14
75x = 2
ответ: 2/75
2,5х*30=14*1/7
2,5х*30=2
2,5х=2:30
2,5х=1/15
х=1/15:5/2
x=2/75
2) 36:35=1/5x:1/12
1/5х*35=36*1/12
1/5х*35=3
1/5х=3:35
1/5x=3/35
x=3/35:1/5
x=3/7