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mishashin
@mishashin
July 2022
1
6
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С обьяснением даю 12 баллов
0,28:0,03*0,75*1,4
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3 2/3 *0,36*4,9:3,3
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прмкв
(0,28 : 0,03 • 0,75 • 1,4)/(3 2/3 • 0,36 • 4,9 : 3,3)=5
1) 0,28 : 0,03=28 : 3=9 1/3
2) 9 1/3 • 0,75=9 1/3 • 3/4=(28 • 3)/(3 • 4)=28/4=7
3) 7 • 1,4=9,8
4) 4,9 : 3,3=49 : 33=1 16/33
5) 3 2/3 • 0,36=11/3 • 9/25=99/75=1 24/75=1,32
10) 1,32 • 1 16/33=99/75 • 49/33=(99 • 49)/(75 • 33)=(3 • 49)/75=49/25=1,96
11) 9,8/1,96=980/196=5
Ответ: 5.
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Answers & Comments
1) 0,28 : 0,03=28 : 3=9 1/3
2) 9 1/3 • 0,75=9 1/3 • 3/4=(28 • 3)/(3 • 4)=28/4=7
3) 7 • 1,4=9,8
4) 4,9 : 3,3=49 : 33=1 16/33
5) 3 2/3 • 0,36=11/3 • 9/25=99/75=1 24/75=1,32
10) 1,32 • 1 16/33=99/75 • 49/33=(99 • 49)/(75 • 33)=(3 • 49)/75=49/25=1,96
11) 9,8/1,96=980/196=5
Ответ: 5.