The result of the equation - 90 plus 90 plus 60 plus 80, is found as follows; 90 + 90 + 60 + 80 = ( 90 + 90 ) + 60 + 80 = 180 + ( 60 + 80 ) = 180 + 140 = 320 Answer = 320
The result of the equation - 20 plus 90 plus 60 plus 80, is found as follows; 20 + 90 + 60 + 80 = ( 20 + 90 ) + 60 + 80 = 110 + ( 60 + 80 ) = 110 + 140 = 250 Answer = 250
The result of the equation - 10 plus 90 plus 60 plus 80, is found as follows; 10 + 90 + 60 + 80 = ( 10 + 90 ) + 60 + 80 = 100 + ( 60 + 80 ) = 100 + 140 = 240 Answer = 240
It is: 80+90+60 = 230
(13+47+31+10+20+50+36+54+122+4)/60==(13+47+31+[10+20+50]+36+54+122+4)/60 =(13+47+31+80+[36+54]+122+4)/60=([13+47]+31+80+90+122+4)/60=(60+31+80+90+122+4)/60=(31+122+4+60+80+90)/60=(153+4+60+80+90)/60=(157+60+80+90)/60=(157+140+90)/60=(157+230)/60=387/606 min. 27 sec.
The result of the equation - 130 plus 80 plus 60 plus 30, is found as follows;130 + 80 + 60 + 30= ( 130 + 80 ) + 60 + 30= 210 + ( 60 + 30 )= 210 + 90= 300Answer = 300
The result of the equation - 90 plus 90 plus 60 plus 80, is found as follows; 90 + 90 + 60 + 80 = ( 90 + 90 ) + 60 + 80 = 180 + ( 60 + 80 ) = 180 + 140 = 320 Answer = 320
The result of the equation - 80 plus 90 plus 60 plus 80, is found as follows; 80 + 90 + 60 + 80 = ( 80 + 90 ) + 60 + 80 = 170 + ( 60 + 80 ) = 170 + 140 = 310 Answer = 310
The result of the equation - 60 plus 90 plus 60 plus 80, is found as follows; 60 + 90 + 60 + 80 = ( 60 + 90 ) + 60 + 80 = 150 + ( 60 + 80 ) = 150 + 140 = 290 Answer = 290
The result of the equation - 120 plus 90 plus 60 plus 80, is found as follows; 120 + 90 + 60 + 80 = ( 120 + 90 ) + 60 + 80 = 210 + ( 60 + 80 ) = 210 + 140 = 350 Answer = 350
The result of the equation - 110 plus 90 plus 60 plus 80, is found as follows; 110 + 90 + 60 + 80 = ( 110 + 90 ) + 60 + 80 = 200 + ( 60 + 80 ) = 200 + 140 = 340 Answer = 340
The result of the equation - 100 plus 90 plus 60 plus 80, is found as follows; 100 + 90 + 60 + 80 = ( 100 + 90 ) + 60 + 80 = 190 + ( 60 + 80 ) = 190 + 140 = 330 Answer = 330
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 - 50 plus 90 plus 60 plus 80, is found as follows; 50 + 90 + 60 + 80 = ( 50 + 90 ) + 60 + 80 = 140 + ( 60 + 80 ) = 140 + 140 = 280 Answer = 280
The result of the equation - 130 plus 90 plus 60 plus 80, is found as follows;130 + 90 + 60 + 80= ( 130 + 90 ) + 60 + 80= 220 + ( 60 + 80 )= 220 + 140= 360Answer = 360
The result of the equation - 20 plus 90 plus 60 plus 80, is found as follows; 20 + 90 + 60 + 80 = ( 20 + 90 ) + 60 + 80 = 110 + ( 60 + 80 ) = 110 + 140 = 250 Answer = 250
The result of the equation - 10 plus 90 plus 60 plus 80, is found as follows; 10 + 90 + 60 + 80 = ( 10 + 90 ) + 60 + 80 = 100 + ( 60 + 80 ) = 100 + 140 = 240 Answer = 240