2+2_3
2
15-12.5
the population of a town decreased from 25000 to 24500. find the percentage decrease.
(-1)*(+8)
b+c
20 ÷ 5 × 2 + (2 − 3)
a=b+c
83872317478507912464179
1283392.5839
1263507.7925
1309336.751
1284314.8959
1334647.444
1285859.9548