8х+8х=320
16х=320
х=320:16
x=20
41 = 1,8х+32
1,8х = 41-32
1,8х = 9
х = 5
Ответ: 5 градусов цельсия
2/3a*(-6b)*(-1/8) = (2 * 6 * 1)/(3 * 1 * 8) * ab = <u>1/2</u> * ab
(-1 1/2b)*(-0.5)*(-4c) = (-5/2b) * (0,5 * 4) * c = (-5/2 * 2) * bc =<u> - 5 </u>* bc
<span>3/8m*(-2/3n)*7/8 = - (3 * 2 * 7)/(8 * 3 * 8) mn = <u>- 7/32</u> * mn</span>