②9×0.78这个算式表示:.
③4.32÷2.7这个算式表示:.
①1.25×3.9×0.8
②63.4÷2.5÷0.4
③0.8×6.8﹣0.8×3.8
④202×0.15.
31.5×0.931.5; | 5.42×0.95.42; | 0.98×10.98; |
2.5×0.82.5; | 3.56×1.013.56; | 4.95×14.95. |
5.1÷1.7=
6.5÷1.3=
4.8÷0.04=
0.64÷8=
8.3÷0.12=÷12 6.43÷0.25=÷
①5.4×7.8=
②2.6×0.25=
③109.2÷0.42=
④0.66×0.42≈(得数保留三位小数)
⑤21÷24 =


5.63×0.45.63 2.9÷0.012.9×100 3.24÷0.83.24