Question

calcule o valor das expreçoes nemericas a 3/2-2/5+5/4 -2/3

Answer 1

$\frac{90 - 24 + 75 - 40}{60} \\ \frac{101}{60}$

Answer 2

MMC

2,5,4,3|2

1,5,2,3|2

1,5,1,3|3

1,5,1,1|5

1,1,1,1

2×2×3×5=60

60÷2×3=90

60÷5×2=24

60÷4×5=75

60÷3×2=40

$\frac{90 - 24 + 75 - 40}{60} = \frac{101}{60}$