18.75×0.125×8
5.4×(4.32÷1.2)
12.57-(3.57+3.5)
12.5×80=
2.34×0.2=
7.73+2.07=
0.8×0.5=
2.4×0.5=
0.14×0.3
12-0.9=
1.87×0=
0.8×0.5=
5.6÷0.7=
10×0.9=
5.4÷0.9=
5.1÷1.7=
8.6y-y=
4.7a+5.4a=
0.26×1000=
0.94÷0.25 +2.24 1.2÷2.5+0.8÷2.5
2.33×0.5×4 0.65× 105
①+++
②(-+)×24
③1.5×+8.5×
④4×0.8×2.5×12.5
⑤25××40%×
⑥÷[(+)×]