Question

выполните действия плизззз

Answer 1

2 49/72*15-25 7/12=193/72*15-307/12=193/24*5-307/12=965/24-307/12=
=965/24-614/24=351/24=117/8=14 3/8
5 11/20*8+6 3/10=111/8*6+63/10=111/4*3+63/10=333/4+63/10=
=1665/20+126/20=1791/20=89  11/20
24 13/16+8 3/4*11= 397/16+35/4*11=397/16+385/4=397/16+1540/16=
=1937/16 = 121 1/16
7 83/90*27-156 4/15=713/90*27-2354/15=713/10*3-2354/15=
=2139/10-2354/15=6417/30-4708/30=1709/30=56 29/30