Question

1. -7 + 3 x 5 – 2 =
2. 8 - (7 + 3 ) x ( - 5) =
3. 2 - ( - 3 ) 2 + ( 2 ) 2 - ( 4 ) =
4. - 5 + ( 20 ) 2 =
5. -9 - 2 ( 2 ) 2 =
6. 7 - ( - 3 ) - ( - 2 )=
7. - 15 / 3 + 5 x ( - 25 ) =
8. [(-4) · (+5) + (-6) · (-4)] : (6 - 4) =
9. [(-4) · (-3)] – [(+10) : (-2)] =
10.[(-4) · (+5) + (-6) · (-4)] + [ (-4) · (-2) =

Answer 1

1. -7 + 3 x 5 – 2 =

-7+15-2

=6

2. 8 - (7 + 3 ) x ( - 5) =

8-10×(-5)

8+50

58

3. 2 - ( - 3 ) 2 + ( 2 ) 2 - ( 4 ) =

2+3×2+4-4

2+6+4-4

8

4. - 5 + ( 20 ) 2 =

-5+40

35

5. -9 - 2 ( 2 ) 2 =

-9-8

-17

6. 7 - ( - 3 ) - ( - 2 )=

7+3+2

12

7. - 15 / 3 + 5 x ( - 25 ) =

-5-125

-130

te ayudo hasta ahí :v