= = = =
+++ -- -(+) -(+)
+=
1-=
1.25-=
24÷18=
19÷38=
+1.125=
-=
66×3÷66×3=
202.2÷0.1= 13÷11= 5.6+4.4-0.53=
0.5³= ( )÷7= 1.8×0.5÷1.8×0.5=
0.9= 0.65= 0.07= 0.375= 0.52=
= = = ≈ =