题目
百分数和分数、小数的互化的应用题
1.甲、乙两数之和是1.87,如果把乙数的小数点向左移动一位,那么甲、乙两书就相等.原来甲数是多少?乙数是多少?
1 party a and b have two Numbers,if the sum is 1.87 ethyl decimal point move left a number,then party a and b have two books are equal.The original armour is number?B number?How much
is the1 party a and b have two Numbers,if the
2.百分数a%（a为自然数,且1大于或等于a大于或等于100）写成不需约分的最简分数.
（1）分子只能是什么数?
（2）这样的分数有多少个?
2 a % (a percentage for natural Numbers,and 1 is equal to or greater than a is equal to or greater than 100) -do not need the most Jane YaoFen scores.
(1) molecules only what number is?
(2) such scores how many?
2 % (a percentage for a natural Numbers,and 1 is equal to or 그 레 이 터 than a is equal to or 그 레 이 터 than 100 - do not need) the most 제 인 YaoFen scores 이다.
(1) molecules only what is number?
(2) such scores how ma
1.甲、乙两数之和是1.87,如果把乙数的小数点向左移动一位,那么甲、乙两书就相等.原来甲数是多少?乙数是多少?
1 party a and b have two Numbers,if the sum is 1.87 ethyl decimal point move left a number,then party a and b have two books are equal.The original armour is number?B number?How much
is the1 party a and b have two Numbers,if the
2.百分数a%（a为自然数,且1大于或等于a大于或等于100）写成不需约分的最简分数.
（1）分子只能是什么数?
（2）这样的分数有多少个?
2 a % (a percentage for natural Numbers,and 1 is equal to or greater than a is equal to or greater than 100) -do not need the most Jane YaoFen scores.
(1) molecules only what number is?
(2) such scores how many?
2 % (a percentage for a natural Numbers,and 1 is equal to or 그 레 이 터 than a is equal to or 그 레 이 터 than 100 - do not need) the most 제 인 YaoFen scores 이다.
(1) molecules only what is number?
(2) such scores how ma
提问时间：2020-06-18
答案
第1题1.78/（10+1）=0.17为甲数,乙数=0.17*10=1.7
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