(20+4)9=
24•9=216
(20+4)9=
9x20+9x4 =216
4(63+5)=
4x68=272
4(63+5)=
4x63 +4 x5=272
(54+3)7=
57x7=399
(54+3)7=
54x7+3x7=399
2(48+6)=
2x54=108
2(48+6)=
2x48 +2x6= 108
5(20-16)=
5 x4 =20
5(20-16)=
5x20 -5x16= 20
6(90-45)=
6x 45=270
6(90-45)=
6x90 -6x45 = 270
(13+25+10)7=
48 x7=336
(13+25+10)7=
13x7+25x7+10x7= 336
(56+6+28)3=
90x 3 =270
(56+6+28)3=
56x3 +6x3 +28x3 =270