Пошаговое объяснение:
а)3,8-1.75:0.95-1.02):2.3+0.4=1.75:0.95=1.84
3.8-1.84-1.02=0.94
0.94:2.3=0.4+0.4=0.8
(11.28+3.4:0.85*155):4.6-0.8
3.4:0.85=4*1.55=6.2
11.28-6.2=5.08
5.08:4.6=1.1
1.1-0.8=0.3
Пошаговое объяснение:
а)3,8-1.75:0.95-1.02):2.3+0.4=1.75:0.95=1.84
3.8-1.84-1.02=0.94
0.94:2.3=0.4+0.4=0.8
(11.28+3.4:0.85*155):4.6-0.8
3.4:0.85=4*1.55=6.2
11.28-6.2=5.08
5.08:4.6=1.1
1.1-0.8=0.3