1) 1.57
2)
3)
94.2
125.6
157
Пошаговое объяснение:
1) 31.4:20=1.57
3) 60×1.57=94.2
80×1.57=125.6
100×1.57=157
1) 1.57
2)
3)
94.2
125.6
157
Пошаговое объяснение:
1) 31.4:20=1.57
2)
3) 60×1.57=94.2
80×1.57=125.6
100×1.57=157