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gulnara29
@gulnara29
August 2022
1
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а)1,25:x=1/4×2 1/2 б)3,4×х=10-1 1/2 Пожалуйста помогите
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uh19
Verified answer
1.25 : х = 0.25 * 2 (1\4 = 0.25)
1.25 : х = 0.5
х = 1.25 : 0.5
х = 2.5
проверка:
1.25 : 2.25 = 0.5
0.25 * 2 = 0.5
0.5 = 0.5
3.4 * х = 10 - 1.5 (
= 1.5)
3.4 * х = 8.5
х = 8.5 : 3.4
х = 2.5
проверка
3.4 * 2.5 = 8.5
10 - 1.5 = 8.5
8.5 = 8.5
1 votes
Thanks 1
uh19
что не понятно, спрашивайте)))
uh19
я дроби перевела в десятичные...
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Answers & Comments
Verified answer
1.25 : х = 0.25 * 2 (1\4 = 0.25)1.25 : х = 0.5
х = 1.25 : 0.5
х = 2.5
проверка:
1.25 : 2.25 = 0.5
0.25 * 2 = 0.5
0.5 = 0.5
3.4 * х = 10 - 1.5 (= 1.5)
3.4 * х = 8.5
х = 8.5 : 3.4
х = 2.5
проверка
3.4 * 2.5 = 8.5
10 - 1.5 = 8.5
8.5 = 8.5