直接写得数.
0.76一0.6= | 3.7+3= | 2.5+8.5= | 1-0.1= |
4.8十2.2= | 1-0.81= | 0.25+0.4= | 0.37十0.3= |
计算下面各题(能简算的要简算).
×(1-) | ×[-(-)] | 4-(+2.5) |
×58+42÷8 | ×+×+÷9 | 9.84-1-2. |
解方程:
30%x+85=70%x+25 | x÷(1-24%)=1.15 | =. |
直接写得数.
0.76一0.6= | 3.7+3= | 2.5+8.5= | 1-0.1= |
4.8十2.2= | 1-0.81= | 0.25+0.4= | 0.37十0.3= |
×(1-) | ×[-(-)] | 4-(+2.5) |
×58+42÷8 | ×+×+÷9 | 9.84-1-2. |
30%x+85=70%x+25 | x÷(1-24%)=1.15 | =. |