1) 7 - 2.5 = 4.5; 3.25 + 3.35 = 6.6; 10 - 9.73 = 0.27; 4.5 * 6.6 = 29.7; 29.7 : 0.27 = 110на первом ответ 110
3) 90 - 2.5 = 87.5 2.66 - 0.06 = 2.6 1.075 + 10.3 = 11.37587.5 * 2.6 = 227.5 227.5 : 11.375 = 20
на третьем ответ 20
5)
1) 7 - 2.5 = 4.5; 3.25 + 3.35 = 6.6; 10 - 9.73 = 0.27; 4.5 * 6.6 = 29.7; 29.7 : 0.27 = 110
на первом ответ 110
3) 90 - 2.5 = 87.5 2.66 - 0.06 = 2.6 1.075 + 10.3 = 11.375
87.5 * 2.6 = 227.5 227.5 : 11.375 = 20
на третьем ответ 20
5)