脱式计算.
①1.3×2.5÷0.65 | ②2.65-0.87-3.13+4.35 |
③×+× | ④÷[-(1-)]. |
直接写出得数: 2.4×=________; | =________; | :0.75=________; | ÷________=0.1; |
0.180%×=________; | 32÷(1+60%)=________; | 2-1=________; | ________×40=. |
①1.3×2.5÷0.65 | ②2.65-0.87-3.13+4.35 |
③×+× | ④÷[-(1-)]. |
直接写出得数: 2.4×=________; | =________; | :0.75=________; | ÷________=0.1; |
0.180%×=________; | 32÷(1+60%)=________; | 2-1=________; | ________×40=. |