题目内容
【题目】买一个练习本要8角钱,一把直尺要6角钱,买这两样东西一共要( 元 角)钱.
【答案】1,4
【解析】
试题分析:我们知道人民币的单位有元、角、分,相邻单位间的进率是10,低级单位相加,满十要向高一级单位进1,据此解答.
解:8角+6角=14角=1元4解;
或8角=0.8元,6角=0.6元,
0.8+0.6=1.4(元),即1元4角;
故答案为:1,4.
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= = | = =12.5% |
=0.1= | = = |
= =37.5% | =0.05= |
= = | = =62.5% |
=0.04= | = = |
= =87.5% | =0.02= |
= = | = = . |