If it's not a yellow balloon, then Le Ballon Rouge+ Blue Balloon totals 2 1.
y+z=2 1
Not red balloons, so there are 28 yellow balloons and blue balloons.
x+z=28
Not blue balloons, then there are 29 red balloons+yellow balloons.
x+y=29
Solving ternary linear equations
Three kinds of addition, 2(x+y+z)=78, then x+y+z=39.
x= 18
y= 1 1
z= 10
Extended data addition has several important attributes. It is interchangeable, which means that the order is not important, it is interrelated, which means that when more than two numbers are added, the order in which the addition is performed is not important. Repeatedly adding 1 is the same as counting; Adding 0 will not change the result. Addition also follows related operations such as subtraction and multiplication.
Addition is one of the simplest digital tasks. The most basic addition: 1+ 1 five-month-old babies and even other animal species can be counted. In primary education, students are taught to calculate the superposition of decimal numbers, starting with one digit, and gradually solving the more difficult number calculation.