Question

pfvr alguém me ajuda pelo menos na A​

Answer 1

Resposta:

A)(2x3-4)² +10x√16:8+(4:2+2x1)²

4+10x√16:8+(4:2+2x1)

4+10x√16:8+4

4+10x4:8+16

4+40:8+16

4+5+16

9+16

25

B)(4x2-3x1)²+18:√9+24

25+18:√9+24

25+18:3+24

25+6+24

31+24

55

C)45:5+16x20:√4+6:3+√81

45:5+16x20:2+6:3+√81

45:5+16x20:2+6:3+40,5

9+16x20:2+6:3+40,5

9+320:2+6:3+40,5

9+160+6:3+40,5

9+160+2+40,5

169+2+40,5

171+40,5

210,5

Explicação passo a passo:

A) (2x3-4)= 2x3= 6-4= 2•2=4

(4:2+2x1)= 4:2= 2+2=4 x1= 4•4=16

√16= 4

10x4=40

40:8= 5

B) 4x2= 8-3= 5x1=5 •5=25

√9=3

18:3=6

25+6=31

31+24=55

C)√4=2

√81=40,5

45:5=9

16x20=320

320:2=160

6:3=2

9+160

171+40,5

210,5