-
= 0.8×1.1=
+
= 7.2+12.8=
+
=
+
=
-
= 1-0.25= 1-
= 42=
-
= 0.8+0.9=
+
= 0.75-0.4= 0.72=
-
= 0.125×8=
+
= 3.6-0.6=
+
=