1) 4*(3+25)=4*3+4*25=12+100=112
(124+32)*3=124*3+32*3=372+96=468
(42-20)*5=42*5-20*5=210-100=110
(250-120)*12=250*12-120*12=3000-1440=1560
2) 3*(12+18)=3*30
3 * 30 = 90
90 =90
4*(25-5)=4*25-4*5
4* 20 =100- 20
80 =80
7*(80-60)=7*20
7* 20 =140
140 =140
(23*4)+(7*4)=(23+7)*4
92 + 28 =30 *4
120 =120
3) 8*(23+14)=8*23+8*14=184+112=296
(123+21)*3=123*3+21*3=369+63=432
(120-16)*4=120*4-16*4=480-64=416
5*(325-250)=5*325-5*250=1625-1250=375
4) 3*(36+28)=3*36+3*28=108+84=192
5) 3*(36-28)=3*36-3*28=108-84=24
