甲数是80(1)乙数是甲的80%,乙数是______(2)甲数比乙数多25%,乙数是______(3)乙数比甲数多25%,乙数是______(4)甲数比乙数少20%,乙数是______(5)乙数是10

题目简介

甲数是80(1)乙数是甲的80%,乙数是______(2)甲数比乙数多25%,乙数是______(3)乙数比甲数多25%,乙数是______(4)甲数比乙数少20%,乙数是______(5)乙数是10

题目详情

甲数是80
(1)乙数是甲的80%,乙数是______
(2)甲数比乙数多25%,乙数是______
(3)乙数比甲数多25%,乙数是______
(4)甲数比乙数少20%,乙数是______
(5)乙数是100,乙数是甲数的______.
题型:填空题难度:中档来源:不详

答案

(1)80×80%=64;
答:乙数是64.

(2)80÷(1+25%),
=80÷125%,
=64;
答:乙数是64.

(3)80×(1+25%),
=80×1.25,
=100;
答:乙数是100.

(4)80÷(1-20%),
=80÷80%,
=100;
答:乙数是100.

(5)10÷80=125%;
答:乙数是甲数的125%.
故答案为:64,64,100,100,125%.

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