Question

42*36+64*42

Answer 1

42 x 36 + 64 x 42

= 42 x ( 64 + 36 )

= 42 x 100

= 4200

Answer 2

42*36+64*42

= 42 x ( 36 + 64 )

= 42 x        100

=      4200

Answer 3

42 x 36 + 64 x 42 = 42 x ( 36 + 64 )

                           = 42 x 100

                           = 4200 

Answer 4

42x36+64x42

=42x(36+64)

=42x100

=4200