# 2 # Introduction Doing math problems can effectively help learners to understand the basic knowledge, expand their thinking and accumulate skills from all directions and angles. And these are exactly what the exam needs. But the premise of doing the problem is that you must know why you did it right and why you did it wrong. You can't fully understand what you did wrong. Otherwise, you just practice writing, and you can't do it. The following is the relevant information of "Math Exercises and Reference Answers in Volume II of Grade Two in Primary School", hoping to help you.

The second volume of mathematics exercises and reference answers in the second grade of primary school

First, oral calculation. 24+8= 3×6= 28÷7= 47- 10= 48+ 16=

54÷9= 56-27= 50- 18= 18+50= 3×9=

52-39= 8 1-9= 63÷7= 36-8= 4 1+35=

84- 19= 40+46= 25+ 1 1= 56-28= 32-27=

Fill in the blanks.

1 and () How much can I put?

3×()