Question

1) 7 – 3 =
2) – 8 + 4 =
3) – 5 – 3=
4) 3 – 8 =
5) – 3 + 5 – 7 + 9 =
6) – 2 + 1 – 3 + 5 – 1 =
7) 51 – 72 + 100 – 28 – 15 =
8) 12 +51 – 179 + 95 – 2 =
9) 12 + 5 + 4 – 8 =
10) – 2 – 10 – 3 + 1=
11) 12 + (+5) + (+4) =
12) - 2 + (-10) + (+4) =
13) -12 + (-3) + (-4) + (-5) =

14) -36 + (+45) + (-10) + (-8) + (+2) =

15) -1 + (+13) + (-25) + (+15) + (-2) =

16) -32 + (-1) + (-43) + (-15) + (+65) =

17) -25 + (+35) + (-1) + (-12) + (+5) =

18) 73 + (+4) + (+23) + (-25) + (-3) =

19) (-2)³ x 1² x (-1)³ =

21)  (1- 3 )² x (-2)³ x (-1)²

22) -27 ÷ (+27) =
23) – 3² ÷ (-7)°– (-2) =
24) ( –2 – 1)³+ ( –3)²– [ ( –3 –1 )²÷( –2)³– ( – 1) ². ( –2 + 3)] =

25) – 3 + ( – 2)³+ ( – 6)²+ [ ( – 2 – 3)³÷( – 1 – 4) + ( – 3)². ( – 2 + 1)²]

26) ( – 4 )3x ( – 1 – 1)2– ( – 2 – 1)2x [ ( – 5 + 1)2÷ ( – 3 – 1)2]

27) ( – 2 + 3) x ( – 3 – 1)2–[( – 4 – 3)2 ÷ ( – 6 – 1) + ( – 1)2 x ( – 2 -3)2]

28) ( – 4 + 3 – 2 ) x ( – 2 + 1 + 3)2– { ( – 5 – 1 + 4)3– [ – 2 + ( – 2)]} =

Answer 1

1) 7 – 3 = 4

2) – 8 + 4 = -4

3) – 5 – 3= -8

4) 3 – 8 = -5

5) – 3 + 5 – 7 + 9 = 5

6) – 2 + 1 – 3 + 5 – 1 = 0

7) 51 – 72 + 100 – 28 – 15 = 36

8) 12 +51 – 179 + 95 – 2 = -23

9) 12 + 5 + 4 – 8 = 13

10) – 2 – 10 – 3 + 1= -14

11) 12 + (+5) + (+4) = 21

12) - 2 + (-10) + (+4) =

Answer 2

Resposta:

7-3=4

Espero ter ajudado =)

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