Question

甲、乙兩數(shù)的和是4.75，若甲的小數(shù)點(diǎn)向左移動一位就等于乙數(shù)的，則甲數(shù)是________．

Answer 1

3.75
分析：甲的小數(shù)點(diǎn)向左移動一位，就縮小到原數(shù)的，甲數(shù)就是乙數(shù)的（）倍，據(jù)此解答．
解答：=3.75，
4.75÷（3.75+1），
=4.75÷4.75，
=1，
4.75-1=3.75．
答：甲數(shù)是3.75．
點(diǎn)評：本題的關(guān)鍵是求出甲數(shù)是乙數(shù)的多少倍，再進(jìn)行解答．