Question

matymatyka str 157 klasa 7​

Answer 1

d) 2×4+4²= 8+16 = 24

e) 2²-2³= 4-8= (-4)

f) 3×4-1= 11

d) 3× (-1)²+2× (-1)= 3+(-2)= 1

e)

f) 2(4-1+1)-5= 8-2+2-5= 3