Question

1) (2.35+4.65)*5.3:(40-2.9)=?Сколько ?

Answer 1

(2,35 + 4,65)*5,3 / (40 − 2,9) = 1
2,35+4,65=7
40-2,9=37,1
7*5,3=37,1
37,1/37,1=1