6.42×3.7+6.42×1.3
(5.3-1.7)÷0.09
78÷0.25÷0.4
9.7﹣4.65=
28.5÷0.15=
1.7×0.24≈(得数保留两位小数)
0.3×0.2= 0.7×0.3= 0.02×0.2= 0.8×0.5=
0.78÷0.01= 4.8÷0.06= 4÷0.25= 3.2÷0.05=
0.03×0.6=
2.4×0.5=
4.3×0.2=
0.45÷0.9=
8÷0.04=
3.5+0.7=
36÷0.06=
0.25×4÷0.25×4=
15.89+(6.75-5.89)
5.17-1.8-3.2
13.75-(6.48+3.75)
3.68+7.56-2.68
7.85-(2.34-0.15)
35.6-1.8-15.6-7.2
213.6÷0.8÷0.3
32.8×10.5÷0.6
16.5÷5.5×1.7
①0.175÷(0.25×4)
②4.2+5.8÷0.16
③(4.32-0.64)÷0.23
④2.1÷3.5÷0.2
①0.74×99
②1.39×6.1+3.9×1.39
③2.4×0.7÷2.4×0.7
④42.72÷0.48+0.52
⑤4.9÷0.25÷0.4
87.4×1.0887.4 0.72×0.80.72+0.8
0.48÷0.648÷6 3.75÷0.013.75×100