Question

E urgent!! DAU COROANĂ!

Answer 1

1.

a)3×4 = 12 => n × 4 = 8... n = 8 : 4 =2

b)10:2=5 => n : 2=4... n = 2 × 4 = 8

c)3×2=6 => 7 × 2 = n + 2... n+2=14=> n = 14 - 2 =12

d)17×2=34=> 32 × 2 = 2n - 4 =>2n - 4 = 64

2n=64-4=60=>n=60:2=30

e) 9×4=36

radical din 36 =6

n=6

2. pun doar semnele

a) >

b) <

c) <

d) =

e) <

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