Question

tinh hop ly a) 136.(-47)+36.47

                     b) (-48).72+36

Answer 1

 a) 136.(-47)+36.47

= -136.47 + 36. 47

=47 . (-136 + 36 )

=47 . (-100)

=-4700

b) (-48).72+36

=(-48).2.36+36

= -96.36+36

=(-96+1).36

= -95.36=-3420

              

                    

Answer 2

a)136.(-47)+36.47

=47(-136+36)

=47.(-100)

=-4700

b) (-48).72+36

=-3456+36=-3420