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novakk020
@novakk020
September 2021
2
17
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203,4 : 9 - (5,39 - 7,39)
__________________
3/14 * 7/9 - 1/3
найдите значение дроби срочно
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polina130102
Verified answer
Надеюсь поможет тебе
3 votes
Thanks 9
pnastya3245gmailcom
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203,4:9-(5,39-7,39)
_______________ = - 147,6
3/14×7/9-1/3
1) 5,39-7,39= - 2
2) 203,4:9=2034/10:9=2034/10×1/9=2034×1/10×9=2034/90=22,6
3) 22,6-(-2)= 22,6+2,0=24,6
4) 3/14×7/9=3×7/14×9=21/126= 1/6
5) 1/6-1/3= 1/6-1×2/3×2=1/6-2/6= - 1/6
6) 24,6:( - 1/6)= 246/10:( - 1/6)= 246×6/10×(-1)= 1476/ - 10=
= - 738×( - 2)/5×( - 2)= - 738×1/5×1= - 738/5= - 147,6
Ответ: - 147,6
Вроде так!
4 votes
Thanks 3
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Answers & Comments
Verified answer
Надеюсь поможет тебеVerified answer
203,4:9-(5,39-7,39)_______________ = - 147,6
3/14×7/9-1/3
1) 5,39-7,39= - 2
2) 203,4:9=2034/10:9=2034/10×1/9=2034×1/10×9=2034/90=22,6
3) 22,6-(-2)= 22,6+2,0=24,6
4) 3/14×7/9=3×7/14×9=21/126= 1/6
5) 1/6-1/3= 1/6-1×2/3×2=1/6-2/6= - 1/6
6) 24,6:( - 1/6)= 246/10:( - 1/6)= 246×6/10×(-1)= 1476/ - 10=
= - 738×( - 2)/5×( - 2)= - 738×1/5×1= - 738/5= - 147,6
Ответ: - 147,6
Вроде так!