1. 18 - [(15 - 9] - 2

2. 6²-[3²+(3+12) ]

3. 21-[ (2 x 4) + 2 +5]

4. [ (17 - 10) + 4] + 5²

5. 36 ÷ 6 + [ ( 5 x 3) + (13 - 6) + 10]​


1 18 15 9 22 63312 3 21 2 X 4 2 54 17 10 4 55 36 6 5 X 3 13 6 10 class=

Sagot :

Answer:

1. 10

2. 12

3. 6

4. 36

5. 40

Step-by-step explanation:

1. 18- [(15-9)]-2

= 18-6-2

= 12-2

= 10

2. 6² - [3²+ (3+12)]

= 6²- [9+15]

= 36-24

= 12

3. 21- [(2x4)+2+5]

= 21-[8+2+5]

= 21-15

= 6

4.[ (17 - 10) + 4] + 5²

= [7+4] +5²

= 11+5²

= 11+25

= 36

5. 36 ÷ 6 + [ ( 5 x 3) + (13 - 6) + 10]

= 36 ÷ 6 + [ 15+9+10]

= 6 + [ 15+9+10]

= 6+34

= 40