23,6+(14,5-30,1)-(6,8+1,9)=23,6+11-8,7=34,6-8,7=25,9
1)14.5-30.1=-15.6
2)6.8+1.9=8.7
3)23.6+(-15.6)=8
4)8-8.7=-0.7
ответ:-0.7
23,6+(14,5-30,1)-(6,8+1,9)=23,6+11-8,7=34,6-8,7=25,9
1)14.5-30.1=-15.6
2)6.8+1.9=8.7
3)23.6+(-15.6)=8
4)8-8.7=-0.7
ответ:-0.7