Ответ:
- а) \((143.65-40.7):2.9-17.75=102.95:2.9-17.75=35.5-17.75=17.75\);
- б) \(8.74:(2.43+2.17)-0.475=8.74:4.6-0.475=1.9-0.475=1.425\);
- в) \((21.2544:0.9+1.02\cdot3.2):5.6=(23.616+3.264):5.6=26.88:5.6=4.8\);
- г) \(4.36:(3.15+2.3)+0.792-0.78=4.36:5.45+0.012=0.8+0.012=0.812\);
- д) \((3.91:2.3\cdot5.4-4.03)\cdot2.4=(1.7\cdot5.4-4.03)\cdot2.4=(9.18-4.03)\cdot2.4=12.36\);
- е) \(6.93:(0.028+0.36\cdot4.2)-3.5=6.93:(0.028+1.512)-3.5=6.93:1.54-3.5=4.5-3.5=1\).
