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Polina102003
@Polina102003
September 2021
1
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Упростите выражение:
3/7(0,56x - 4,9y) - 6/13(0,52x - 3,9y)
6(1/4k - 5/6) - 15(0,6 - 2(целых)1/3k)
Помогите пожалуйста :3
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jekadva
Verified answer
3/7(0,56x - 4,9y) - 6/13(0,52x - 3,9y)=0,24x-2,1y-0,24x+1,8y=-0,3y
6(1/4k - 5/6) - 15(0,6 - 2(целых)1/3k)=1,5k-5-9+35k=36,5k-14
15 votes
Thanks 20
Polina102003
1 НЕ ПРАВИЛЬНО :( ОТВЕТ ДОЛЖЕН БЫЛ ПОЛУЧИТЬСЯ -0,3y
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Answers & Comments
Verified answer
3/7(0,56x - 4,9y) - 6/13(0,52x - 3,9y)=0,24x-2,1y-0,24x+1,8y=-0,3y6(1/4k - 5/6) - 15(0,6 - 2(целых)1/3k)=1,5k-5-9+35k=36,5k-14