×3= ×= ×= ÷= (+)×15=
÷2= ÷= ÷= ×= 12÷(1-)=
÷2=
14÷=
+6÷30 =
1×=
0÷=
①
②
③
④
⑤
⑥
⑦
⑧
×15= ×2= × = × =
÷ = ÷3= ÷5= ÷ =
0.37+1.8=
0.25×8=
5.1÷0.3=
1-7÷7=
1.25×4×8=
6.2-2.15
列式:
10×12=
1﹣0.04=
2+5.8=
4.5÷0.45=
+ =
1.2﹣ =
÷ =
2.5×4÷4=
+ ÷ + =
0÷( ﹣ )=