5+5+5*24*24
5*24=120
120*24=2880
5+5+2880=2890
3×(3/4 +1/2)=3×(3/4+2/4)=3×5/4=15/4=3 3/4
3×3/4+2×1/2=9/4+1=2 1/4+1=3 1/4
(3/4+1/2)×(3/4-1/2)=5/4×(3/4-2/4)=5/4×1/4= =5/16
3/4=3:4*100=75-100%-тное число
7/20=7:20*100=35
9/25=9:25*100=36
1 целая 3/10=3:10+1 целая*100=130
3 целых 1/2=1:2+3 целых*100=350
5 целых 1/4=1:4+5 целых*100=525
1,8*100=180
0,27*100=27
0,05*100=5
6,72*100=672
9,03*100=903
9,9*100=990