Sagot :
[tex]63 :3 + 4 -(6 - 2) =63 \cdot \frac{1}{3} + 4 - 4 =21 \\\\ 6 \cdot 7 : 3 - 8 + 3 = 6 \cdot 7 * \frac{1}{3} - 8 + 3 =42 * \frac{1}{3} - 5 =14-5=9\\\\(45 :9) +(4 \cdot 12) =5+48=53[/tex]
63/3+4-(6-2)=21+4-4=25-4=21
6*7/3-8+3=42/3-11=7-11=-4
(45/9)+(4*12)=5+48=53
6*7/3-8+3=42/3-11=7-11=-4
(45/9)+(4*12)=5+48=53