Mathematics winter vacation, new time and space, fifth grade, the first volume, tell me the answer! ! active demand ..

5.5 0 268 8 0.92 1 1.4 2.3 558 5. 12 9.02 0 4 3 3 1 1 12 98 58 980 82 84 19a 3.5x+ 1.5 3a-8 1x+6.82 =

30 divided by 3 =10cm 48X30-48x10 = 560cm2.

3x-2.8=3.2 x=2 7x+5x=408 x=34

3 divided by 2 =1.51.5-1* 2 * 2 =1.25 *1.23 =

5.5 0 268 80.9211.42.3 558 5.129.02 043311298 58 980 82841.

30 divided by 3 =10cm 48X30-48x10 = 560cm3-2.8 = 3.2x = 27x+5x = 408x = 343 divided by 2 = 1.5- 1 * 2.