Question

61×75+61×50-61×25

Answer 1

= 61 x (75 - 50 - 25)

= 61 x 0

= 0

Answer 2

\(61\cdot75+61\cdot50-61\cdot25\\ =65\cdot\left(75+50-25\right)\\ =65\cdot100\\ =6500\)

Answer 3

61×75+61×50-61×25

=61x(75+50-15)

=61x100

=6100