Interest in mathematics in the sixth grade of primary school - Training Enrollment Network

Interest in mathematics in the sixth grade of primary school

1. Lele: 500× (1+3.06% )× (1+3.06% )× (1+3.06%) = 547.32 yuan.

Nannan: 500× (1+4.41%) = 522.05 yuan.

∫547.32 >522.05

∴547.32-522.05=25.27 yuan

A: After three years, the sum of Lele's principal and interest is more than 25.27 yuan.

2. Pre-tax interest after interest deduction:126.54÷ (1-5%) =133.2 (yuan).

Principal:133.2 ÷ 3.33% = 4,000 yuan.

Xiao Li deposited 4000 yuan in the bank.

Related articles

On the problem of ratio in mathematics

Mathematics Huanggang small champion fifth grade Volume II Page 265438 +0 Question 4

What math competition can junior high school students take part in in 2020? Are there any competitions with high gold content? How to participate? What are the conditions? Will the preparatory meeting

Which problem is better, the midpoint of the first grade of primary school or the experimental class?

What are the top three summer high school math cram schools in China?

Mathematical Events and Probability in Senior High School

Math sucks. Can you learn physics well?

Math calculation problems in the second day of junior high school

The fifth and sixth fill-in-the-blank questions in mathematics in the second day of junior high school received rave reviews. Gradually analyze people

Teaching plan of "Combination of Shapes" in the second volume of the first grade mathematics of People's Education Press.