Bantu jawab dong kakak²​

2. Benar = 20 × 4

= 80

Salah = 25 – ( 20+2)

= 3 × (-2)

= -6

Tdk dijawab = 2 × (-1)

= -2

nilai = 80 + (-6) + (-2)

= 80 – 6 – 2

= 72

3. A = { -2 , -1 , 0 , 1 , 2 , 3 , 4 , 5 }

B = { -2 , 0 , 2 , 4 , 6 }

A ∩ B = { -2 , 0 , 2 , 4 }

maaf kalo salah