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2Mint2
@2Mint2
June 2023
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Даю вам 20 балов срочнооооо
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d76809162
№1
1) m + ( 4 – c ) = m+4–c = 4-mc
2) (a + 5 ) + b = a+5+b= 5+ab
3) -( 9 - n ) = 9 + n
4) 5 - ( -t + p ) = 5 - t - p = 5 - tp
№2
1) - 0,5 + ( - 4,2 + 3,9 ) = - 0,5 + ( - 4,2 ) + 3,9 =
- 4,7 + 3,9 = - 0,8
2) 1,8 - ( 2,9 - 4,8 ) = 1,8 - 2,9 + 4,8 = - 1,1 + 4,8 = 3,7
№ 3
1) 1,9 + ( 3,7 - a ) = 1,9 + 3,7 - a = 5,6- a
2) ( 4 + b ) - 3,2 = 4 + b - 3,2 = 0,8 + b
3) -( p - 4,9 ) + 0,1 = - p + 4,9 + 0,1 = - p + 5
4) 4 - ( m - 3 ) = 4 - m - 3 = 1 - m
5) ( m + 1,2 ) - ( n - 1, 8 ) = m + 1,2 - n + 1,8 = 3 - mn
6) - ( x - 2,9 ) + ( y + 5 ) = - x + 2,9 + y + 5 = 21 - xy
Все я дальше не знаю
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2Mint2
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Answers & Comments
1) m + ( 4 – c ) = m+4–c = 4-mc
2) (a + 5 ) + b = a+5+b= 5+ab
3) -( 9 - n ) = 9 + n
4) 5 - ( -t + p ) = 5 - t - p = 5 - tp
№2
1) - 0,5 + ( - 4,2 + 3,9 ) = - 0,5 + ( - 4,2 ) + 3,9 =
- 4,7 + 3,9 = - 0,8
2) 1,8 - ( 2,9 - 4,8 ) = 1,8 - 2,9 + 4,8 = - 1,1 + 4,8 = 3,7
№ 3
1) 1,9 + ( 3,7 - a ) = 1,9 + 3,7 - a = 5,6- a
2) ( 4 + b ) - 3,2 = 4 + b - 3,2 = 0,8 + b
3) -( p - 4,9 ) + 0,1 = - p + 4,9 + 0,1 = - p + 5
4) 4 - ( m - 3 ) = 4 - m - 3 = 1 - m
5) ( m + 1,2 ) - ( n - 1, 8 ) = m + 1,2 - n + 1,8 = 3 - mn
6) - ( x - 2,9 ) + ( y + 5 ) = - x + 2,9 + y + 5 = 21 - xy
Все я дальше не знаю