22.4
7.3
4.8
872247
305248
188169
107611
3736284
2946550
986834
the actual area of a school playground is 6.4 hectares. what is the area on a map of scale : 1cm:160m and 1:8000
+*-
979858
- * +
1+1
5²ˣ⁺¹ = 15
{ 2x }^{ 2 } 2+10x+12