154
55 multiplied by 40 equals 2,200.
248 multiplied by 55 is 13,640.
52 multiplied by 28 is 1456
28 multiplied by 8 is 224.
-13 multiplied by 55 is -715
55 multiplied by 14 is 770.
16 multiplied by 55 is 880.
55 + 28 = 83
28
It is: 55 -28 = 27
1650
It is: (28+82)/2 = 55(28 + 82)/2 = 55