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Zhenya2001a
@Zhenya2001a
August 2021
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вычислить( по действиям)
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sysola
A6
S = 80 * 3,2 = 256 = 16²
значит, сторона квадрата 16
Ответ: 3)
А7
Ответ: 4)
0 votes
Thanks 1
IrkaShevko
Verified answer
(4,125*1 7/33-1 14/17):6,75
1) 4,125*1 7/33=4125/1000*40/33=125/25=5
2) 5-1 14/17=5-31/17=(5*17-31)/17=(85-31)/17=54/17
3) 54/17:6,75=54/17:675/100=54/17*100/675=5400/11475 (делим на 675)=8/17 (ответ)
1 votes
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Answers & Comments
S = 80 * 3,2 = 256 = 16²
значит, сторона квадрата 16
Ответ: 3)
А7
Ответ: 4)
Verified answer
(4,125*1 7/33-1 14/17):6,751) 4,125*1 7/33=4125/1000*40/33=125/25=5
2) 5-1 14/17=5-31/17=(5*17-31)/17=(85-31)/17=54/17
3) 54/17:6,75=54/17:675/100=54/17*100/675=5400/11475 (делим на 675)=8/17 (ответ)