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急啊++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
急啊++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
急啊++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
62页:3.设这棵树高x米 4/2.4X1.5=2.5(米)
1.5:2.4=x:4
2.4x=6
x=2.5
4.设x天可以完成 6X12/8=9(小时)
6X12=8x
x=72\8
x=9
5.设运行14周要X小时 6/10.6X14=24.73333(小时)或3/74.2
6:14=10.6:x
6x=148.4
x=24.733333或3/74.2
6.设可以晒出x吨盐,需要y吨海水
100:3=585000:x
x=17550
100:3=y;9
y=300
7.设x小时能回出发点 60X6.5/78=5(小时)
60X6.5=78x
x=5
题目是什么
62页:3.设这棵树高x米 4/2.4X1.5=2.5(米)
1.5:2.4=x:4
2.4x=6
x=2.5
4.设x天可以完成 6X12/8=9(小时)
6X12=8x
x=72\8
x=9
5.设运行14周要X小时 6...
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62页:3.设这棵树高x米 4/2.4X1.5=2.5(米)
1.5:2.4=x:4
2.4x=6
x=2.5
4.设x天可以完成 6X12/8=9(小时)
6X12=8x
x=72\8
x=9
5.设运行14周要X小时 6/10.6X14=24.73333(小时)或3/74.2
6:14=10.6:x
6x=148.4
x=24.733333或3/74.2
6.设可以晒出x吨盐,需要y吨海水
100:3=585000:x
x=17550
100:3=y;9
y=300
7.设x小时能回出发点 60X6.5/78=5(小时)
60X6.5=78x
x=5
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