b + a | b x a |
a+(b+c) | a x(b x c) |
a x c + b x c | a -(b + c) |
=137+63+29
=200+29
=229
|
=11x(20x5)
=11x100
=1100
|
=35x2x9
=70x9
=630
|
=29x(200-2)
=29x200-29x2
=5800-58
=5742
|
=57x(99+1)
=57x100
=5700
|
=29x(132-32)
=29x100
=2900
|