123 - T19, T16, D9
7,380 / 60 = 123 123 = 60 + 60 + 3 Answer: 2 hours 3 minutes
60+60+60+60+60+60+60+60 =480 All the addition can happen in the same step. This is the same as 60*8.
300 !
180
123 - T19, T16, D9
7,380 / 60 = 123 123 = 60 + 60 + 3 Answer: 2 hours 3 minutes
Two hours 3 minutes 123 = 60 + 60 + 3
360
60+60+60+60+60+60+60+60 =480 All the addition can happen in the same step. This is the same as 60*8.
300 !
60 + 60 + 60 + 50 + 50 + 40 + 30 = 350
123
The result of the equation - 130 plus 80 plus 60 plus 60, is found as follows;130 + 80 + 60 + 60= ( 130 + 80 ) + 60 + 60= 210 + ( 60 + 60 )= 210 + 120= 330Answer = 330
-30 plus 60 = 30
180
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