Question

Calculati 3 7/22 - 2 5/33 și (4/5 - 2/3)•(2 - 1/2)​

Answer 1

Răspuns:

Calculati 3 7/22 - 2 5/33=

(66+7)/22-(66+5)/33=

73/22-71/33=(73×3-71×2)/66

(219-142)/66=77/66=7/6

(4/5 - 2/3)•(2 - 1/2)=

[(12-10)/15]×(4-1)/2=

2/15×3/2=1/5