1126. а) 1.14+0.76=1.9
1.14-0.76=0.38
1.9/0.38=5
22.5/1.25=18
5+18=23
б) 28.7*0.15=4.305
0.25*0.21=0.0525
22.5/1,25=18
4.305/0.0525=82
82+18=100
1127. а) 6.8547/2.19=3.13
0.6039/5.49=0.11
3.13+0.11=3.24
3.24/1.62=2
б) 20.88/18=1.16
45/0.36=125
1.16+125=126.16
15.59+15.95=31.54
126.16+31.54=4