× = ×15= ÷ = 3.2× =
÷ = 0.9÷ = × ÷ = ÷ ×7=
+ = + = - = + =
- = - + = - = + =
+=
-=
1-=
8--=
8×1.25=
+=
1﹣=
0.4+=
﹣+=
23=
+0.3=
+4=
0.5+=
12÷18=
1.45+6.7=
8×0.125=
1.2÷1.5=
-0.25=
0.35×1.6=
9÷17=
-=
+=
1-=
+2=
①1-= ② ③ ④ ⑤ ⑥0.2+=
0.25×1÷=
=
0.36×=
=
5÷5÷=
12×()=
1.6÷=
(0.4﹣)=
125×8.8=