Ном 11) -8 * (-5) + 75 / (-15)= 40 + (-5)= 35
2) 19 - (2 - 18 / 3)= 19 - (2 - 6)= 19 - (-4)= 19 + 4= 23
3) -11 (5-9) - 60 / (-12)= -11 (-4) - 60 / (-12)= 44 - 5= 39
Ном 21) -7/8 = x/24x = -7/8 * 24x = -21
2) -5/1.2 = x / -6x = -5/1.2 * -6x = 25
3) -1.9/3 = x / 15x = -1.9 / 3 * 15x = -9.5
Ном 1
1) -8 * (-5) + 75 / (-15)
= 40 + (-5)
= 35
2) 19 - (2 - 18 / 3)
= 19 - (2 - 6)
= 19 - (-4)
= 19 + 4
= 23
3) -11 (5-9) - 60 / (-12)
= -11 (-4) - 60 / (-12)
= 44 - 5
= 39
Ном 2
1) -7/8 = x/24
x = -7/8 * 24
x = -21
2) -5/1.2 = x / -6
x = -5/1.2 * -6
x = 25
3) -1.9/3 = x / 15
x = -1.9 / 3 * 15
x = -9.5