70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
The result of the equation - 130 plus 80 plus 60 plus 70, is found as follows;130 + 80 + 60 + 70= ( 130 + 80 ) + 60 + 70= 210 + ( 60 + 70 )= 210 + 130= 340Answer = 340
The result of the equation - 130 plus 70 plus 60 plus 80, is found as follows;130 + 70 + 60 + 80= ( 130 + 70 ) + 60 + 80= 200 + ( 60 + 80 )= 200 + 140= 340Answer = 340
the sum for 20 + 40 + 70 + 80 = 210
The result of the equation - 130 plus 80 plus 60 plus 10, is found as follows;130 + 80 + 60 + 10= ( 130 + 80 ) + 60 + 10= 210 + ( 60 + 10 )= 210 + 70= 280Answer = 280
70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
The result of the equation - 130 plus 80 plus 60 plus 70, is found as follows;130 + 80 + 60 + 70= ( 130 + 80 ) + 60 + 70= 210 + ( 60 + 70 )= 210 + 130= 340Answer = 340
The result of the equation - 70 plus 90 plus 60 plus 80, is found as follows; 70 + 90 + 60 + 80 = ( 70 + 90 ) + 60 + 80 = 160 + ( 60 + 80 ) = 160 + 140 = 300 Answer = 300
The result of the equation - 130 plus 70 plus 60 plus 80, is found as follows;130 + 70 + 60 + 80= ( 130 + 70 ) + 60 + 80= 200 + ( 60 + 80 )= 200 + 140= 340Answer = 340
the sum for 20 + 40 + 70 + 80 = 210
738
190
80 is.
325
200
142/80
80