①11.6+1.6= ②3.7+2.3= ③34.4+42.5=
④7.4-4.7= ⑤76.5-52.4= ⑥9-0.6=
4-2.6= 125 × 8= 32×40=

+1.8= 4×800= 240÷6= 102×4=
-
=
+
=
+
= 1-
=
5元6角+8元3角=
50×30= 22×40= 480÷8= 6.5+5.8=
5.3-3.8=
-
=
+
=
+
=
①70×83=
②540÷6=
③38×92=
④★407÷4=
⑤30.8+17.6=
⑥★20.0-6.5=

①36×25=
②843÷6=
③624÷4=
④41.3-6.7=