题目内容
1
:x=0.4:8
2x+3×0.9=24.7.
| 1 |
| 4 |
2x+3×0.9=24.7.
(1)1
:x=0.4:8,
0.4x=1
×8,
0.4x÷0.4=10÷0.4,
x=25;
(2)2x+3×0.9=24.7,
2x+2.7-2.7=24.7-2.7,
2x÷2=22÷2,
x=11.
| 1 |
| 4 |
0.4x=1
| 1 |
| 4 |
0.4x÷0.4=10÷0.4,
x=25;
(2)2x+3×0.9=24.7,
2x+2.7-2.7=24.7-2.7,
2x÷2=22÷2,
x=11.
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