Question

calcule aplicando a tecnica de cancelamento quando possível a ) 3/8*5/2*1/2 b)1/2*1/3*5/4 c)4/9*3/2*3/7 d) 7/9*5/14*3/20​

Answer 1

Oi...

Resolução

a ) 3/8 × 5/2 × 1/2  = 3 × 5 × 1 / 8 × 2 × 2 = 15/32

b) 1/2 × 1/3 × 5/4 = 1 × 1 × 5 / 2 × 3 × 4 = 5/24

c) 4/9 × 3/2 × 3/7 = 2/3 × 3/7 = 2 × 1/7 = 2/7

d) 7/9 × 5/14 × 3/20​ = 1/3 × 1/2 × 1/4 = 1/24

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