Question

Toate va roggg dau coroanaaaa

Answer 1

Răspuns:

1.600,1000,1391,650

Explicație pas cu pas:

2)73(73+1)/2=2701, 52(52+1)/2=1378,66(66+1)/2=2211,93(93+1)2=4371

3)a)5(3x+1)+15=50 x=6

B)4x+64=68 x=1

C)3x+4x+4+8=33,x=3

D)18x+7x -14-21x=2,x=4

E)3+2x-2=17, x=6