12÷1000= 2- = 0.7n+0.4n= 3+3×=
+= 8÷= 8÷0.8×= ×2+=
1.56-0.6= 42-32= 2.5×13×4= (968+632)×0=
0.45+0.3=
4×25=
22.9-2.9=
6.4÷1.6=
3×7÷3×7=
0.43-0.3=
8×12.5=
7.2÷9=
4×=
÷6=
×=
÷=
2÷=
×0.5=
××=
①0×=
②9.7+0.03=
③1.4×0.5=
④10.6-6=
⑤10+=
⑥
⑦1.25×8=
⑧
⑨78÷0.25÷4=
①0.45×
②9.04+0.6
③
④4÷0.01=
⑤
⑦12.5- 2.5×4
⑧6×0.6÷6×0.6=
⑨45÷9×0=
⑩6÷3÷=
8÷0.1=
2÷=