......................................................
<h3>Hello Friend,</h3>
8. 800
9. 0.018
10. 7\6 * 3 = 7\2 = 3.5
11. 4 2\5 : 1\2 = 4 * 1\5 = 4\5 = 0.8
12. 60*300:100=180
13. 300*100:60=500
14. 700 : 5 = 140*2=280
<u>a+5</u> + <u>a-2</u> = <u>4(a+5) + 3(a-2)</u> = <u>4a+20+3a-6</u> = <u>7a+14 </u>
3a 4a 12a 12a 12a