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helena121314
@helena121314
August 2022
2
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9 класс помогите пожалуйста
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selmash21
1.
9/4.5×2.5=9/11.25=0.8
2.
!/46 соответствует промежутку [6.7]
3.
ответ 1
4.
домножим на 4
8(х+1)+2(х-1)=7х
8х+8+2х-2=7х
10х+6=7х
10х-7х=-6
3х=-6
х=-6÷3
х=-2
1 votes
Thanks 1
denis12z
1.
1) 4.5*2.5=11.25=11 1/4
2) 9:11 1/4=4/5=0.8
Ответ:0.8
2.Ответ:3)√46
3.Ответ 3)
0 votes
Thanks 0
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Answers & Comments
9/4.5×2.5=9/11.25=0.8
2.
!/46 соответствует промежутку [6.7]
3.
ответ 1
4.
домножим на 4
8(х+1)+2(х-1)=7х
8х+8+2х-2=7х
10х+6=7х
10х-7х=-6
3х=-6
х=-6÷3
х=-2
1) 4.5*2.5=11.25=11 1/4
2) 9:11 1/4=4/5=0.8
Ответ:0.8
2.Ответ:3)√46
3.Ответ 3)