2.4×=
1.6÷8%=
÷×=
0.25×32×0.125=
-=
3.14×(0.4÷2)2=
2.72+3-2.72+3=
1-0.09=
32÷0.5=
①4.01-2.4=
②5- =
③624÷3=
④
⑤14÷=
⑥1.63+2.3=
⑦
⑧
1-+= 1÷×= 7-= 65÷0.05=
7÷×7×= 2÷2%= 0÷0.1-0.1×1= (+)×24=
∶( )=0.5
0.04∶1=( )∶50
= 0.3÷0.4= 25×4%= +75%= ()×6=
6×÷2= ÷2÷= 11×-=
>>>>
+0.375= 2.5×(17×4)= 631÷89≈
0.32= ×÷×=