Упрости выражение 46+a+24+a = 25×9×b×4 = 96a+4a = 57+b+43+b = 89m-9m= 72n+28n =

Question

Упрости выражение 46+a+24+a =
25×9×b×4 =
96a+4a =
57+b+43+b =
89m-9m=
72n+28n =

Answer 1

70+2a   900b   100a   100+2b    80m   100n

Answer 2

46+а+24+а = 2а+(46+24) = 2а+70
25*9*b*4 = b*(25*4*9) = b*900 = 900b
96а+4а = 100а
57+b+43+b = 2b+(57+43) = 2b+100
89m-9m = 80m
72n+28n = 100n