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Fill in the blanks in the first volume of the second grade mathematics and move a few squares.
Move 4 squares to the left or 2 squares up, 1 square up or 1 square to the left, and the goat moves 4 squares to the left.

Test paper of Unit 4, Volume 1, Mathematics of Grade Two, Beijing Normal University Edition (2)

Answer:

1. To find the sum of several identical addends, it is easier to calculate with ().

2.4×3= (), pronounced as (), calculated by formula ().

3.4+4+4+4+4=× 1+ 1+ 1+ 1+ 1+ 1=×

4. Fill in with "+","-"or "×".

55= 10 13=52 26= 12

5. According to the formula "368", two multiplication formulas can be written: () and ().

6. Write four multiplication formulas with the product of 18: (), (), (), ().