It is a collection of iteration problems for water graduation calculation 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.
【Example of problem】
· What is L dL for 81 dL?
· 9 dL + 7 dL =
Android 4.0 or higher