直接写得数
560÷7= | 0.8+4.7= | 2000÷5= | 52×68≈ |
0.6+1.2= | 20×14= | 7.8+0.5= | 81×59≈ |
40×80= | 3600÷6= | 1.4-0.8= | 243÷8≈ |
66÷2= | 12×300= | 1800÷3= | 632÷9≈ |
根据36×2.4=86.4填空.
3.6×2.4=________ | 8.64÷2.4=________ | 0.36×________=0.864 | ________×0.024=86.4. |
560÷7= | 0.8+4.7= | 2000÷5= | 52×68≈ |
0.6+1.2= | 20×14= | 7.8+0.5= | 81×59≈ |
40×80= | 3600÷6= | 1.4-0.8= | 243÷8≈ |
66÷2= | 12×300= | 1800÷3= | 632÷9≈ |
3.6×2.4=________ | 8.64÷2.4=________ | 0.36×________=0.864 | ________×0.024=86.4. |