Current location - Training Enrollment Network - Mathematics courses - How many different ways are there to change a 20 yuan RMB into 1 yuan, 5 yuan or 10 yuan? Please use your watch.
How many different ways are there to change a 20 yuan RMB into 1 yuan, 5 yuan or 10 yuan? Please use your watch.
(1) 10 yuan+10 yuan;

(2) 10 yuan +5 yuan +5 yuan;

(3) 10 yuan +5 yuan +5 1 yuan;

(4) 10 yuan+10 0 yuan.

(5)4 5 yuan;

(6)3 5 yuan +5 1 yuan;

(7)2 5 yuan+10 0 yuan;

(8) 1 5 yuan+15 0 yuan;

(9)20 1 yuan;

Related articles
  • What is "mathematical modeling"?
  • Algorithm skills of 24 points
  • The second grade of primary school 100. Add, subtract, multiply and divide oral arithmetic problems.
  • What influence did the three Renaissance masters (Leonardo da Vinci, Michelangelo and Raphael) have on modern western art?
  • What do you need to prepare for the university math summer camp?
  • 2023 college entrance examination subject timetable Shandong
  • What are the majors of the Strong Foundation Program?
  • Wenzhou Gao San Mo Er Mathematics
  • Chongqing college entrance examination mathematics zhenti
  • What's so good about math in Grade Two? Need a lot of information.

    • copyright 2024 Training Enrollment Network All rights reserved