№1 Вычислите: 18 + (-9) = 13 +89 = 27 + (-34) = -611 + 911 = - 40 + 6 = 22 + (-28) = - 57 + 67 = - 501 + 601 = 21 + (-1) = - 12 + 21 = -354 + 54 = -15 + 95 = 23 + (-35) = -230 + (-820) = - 59 + 3 = 22 + 28 = - 5 + 81 = - 284 + 184 . №2 Решите уравнения: а) 10 - х= - 3, б) х - 6 = 6
More Questions From This User See All
Answers & Comments
18 + (-9) = 18 - 9 = 9
13 +89 = 102
27 + (-34) = 27 - 34 = -17
-611 + 911 = 300
- 40 + 6 = 34
22 + (-28) = 22- 28 = -6
- 57 + 67 = 10
- 501 + 601 = 100
21 + (-1) = 21-1 = 20
- 12 + 21 = 7
-354 + 54 = -300
-15 + 95 = 80
23 + (-35) = 23 - 35 = -12
-230 + (-820) = -230-820 = -1050
- 59 + 3 = -56
22 + 28 = 50
- 5 + 81 = 76
- 284 + 184 = -100
N2
a) 10-x= -3
-x = -3-10
-x = -13
x = 13
b) x - 6 = 6
x = 6+6
x=12