Question

Vă rog frumos dau coroanaa‼️‼️​

Answer 1

2. A.

a) (-3)²=9 (A)

b) 7×(-3)²-2=61

7×9-2=61

63-2=61 (A)

c) (-3-1)²=4

(-4)²=4

16=4 (F)

d) (2×-3+1)²=49

(-1+1)²=49

0²=49

0=49 (F)

B. a) (-2)²=4

4=4 (A)

b) 5×(-2)²-3=17

5×4-3=17

20-3=17

17=17 (A)

c) (-2+1)²=9

1²=9

1=9 (F)

d) (2×(-2)-1)²=25

(-4-1)²=25

(-5)²=25

25=25 (A)