I plan to actually compare the application problems and analyze them carefully, so don't worry.
The relationship between quantity is very important, and the relationship between before and after is very subtle.
Write the relationship first, which leads to the solution to the problem.
The plan is actually on the left. Compare a line up and down.
The specific quantity should be reflected, and the constant quantity is the key.
Fill in the numbers correctly according to the quantity, and then fill in the blanks.
According to the equation, the arithmetic method is also simple.
Length, area, volume, volume nursery rhymes:?
The length and large area of a line.
Volume takes up space and volume counts. ?
Solve the application problem of children's songs:?
Read the topic several times and find the key.
Look at what you want first, and then find the conditions.
Reasonable formula, careful calculation,
Ask for more solutions to a problem, but don't forget.
Check the results and finally write the answer. ?
Four arithmetic nursery rhymes?
Take a look at the whole project and see if it can be simple.
Counting from left to right at the same level, carefully but not casually,
Calculate multiplication and division before addition and subtraction, and the hierarchical format should be standardized.
Parentheses are small, medium and large, first inside and then outside. ?
Every step of the calculation should be checked, and step by step inspection is the key. ?
Children's songs?
The rounding method is good, and the divisor has a magic weapon. ?
Take which one to look at the next position and compare it with the word "5". ?
What goes forward is "5", and those less than "5" are discarded. ?
The equal sign is replaced by an equal sign, which makes people understand at a glance. ?
Is the division nursery rhyme 0 in the middle or at the end of the quotient?
I am 0, and I am good at division. ?
Not enough quotient 1. I'll make it up to you. I will sit down when there is a vacancy. ?
If others want to get rid of me, I will always be the winner.
Children's songs of the year, month and day
135780 wax, never 3 1 day,
; It's 30 o'clock in the winter of 469, full moon and small moon.
February 28th in normal year, 365,
February 29th of leap year, 366 for the whole year.
Divide an ordinary year by 4 and a hundred years by 400.
The average score is leap year, and the remainder is average year.
Every minute counts. Cherish time to be a star.