Question

Alguém pode me ajudar na numero 2

Answer 1

Resposta:A:1/4+5/4=1×5/8=5/8

B:7/9-1/9=7-1/0=6/0

C:18/11-4/11=18-4/11=14/11

D1/4+1/2=1×1/6=2/6

E:2/8+1/4=2×1/12=2/12

F:1/4-1/6=1×1/10=1/10

G:1/3+2/3+4/3=1×2×4/9=2×4/9=8/9

H:9/4-1/4-3/4=9×1×3/16=9×3/16=21/16

I:4/5+2 1/2+5/6=4×2×5/5+2+6=8×5/13=40/13

J:8/15+4/15+1/15=8×4×1/15=32×1=15=32/15

Explicação passo-a-passo: