五年級(jí)奧數(shù)題及答案:小數(shù)點(diǎn)位移
1.甲數(shù)減去乙數(shù)等于36.63,甲數(shù)的小數(shù)點(diǎn)向左移動(dòng)兩位就等于乙數(shù),甲、乙二數(shù)各是多少?
2.甲、乙兩數(shù)的和是43.648.如果把甲數(shù)的小數(shù)點(diǎn)向右移動(dòng)一位就等于乙數(shù),甲、乙二數(shù)各是多少?
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