![[Small 2 arithmetic subtraction funding text problem] Easy! Repetitive problem collection](data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=)
It is an iteration problem subtraction work for elementary school second grader.
Rather than buying a drill, rather than buying a collection of questions,
Repeat practice with free apps! Calculation is determined by the amount of iteration!
Let's improve academic ability by doing iterative calculation.
It is a format that selects answer to the problem from 4 options.
The question is randomly presented.
We will be asked 20 questions in a row continuously.
■ Question example · I have 80 yen in Saifu and 50 yen in hand. Do you have any yen together?
· There are 80 oranges and 50 apples. What do you mean together?
· There are 80 boys and 50 girls in the second grade. Who are the second graders?
· There are 80 Akai Ames and 50 Kids Americas. Do you have any amenities as well?
· There are 80 black pencils and 50 red pencils. How many pencils are there together?
· There are 50 to 50 cookies. Do you have any cookies?
· There are 80 yellow flowers and 50 yellow flowers. How many flowers are there together?
· I read the book yesterday on page 80, today 50 pages. What did you read the page of today with yesterday?
· There are 80 beetles and 50 hills. Do you have a paddy bear with a beetle and a hulled inside?
Supported OS
Android 4.0 or higher
