คณิตศาสตร์ประถม

10 Questions  I  By Fedukgm on April 18, 2010
คณิตศาสตร์ประถม

  

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1.  (50x20)+(30x60)=?
A.
B.
C.
D.
2.  (60x60)+(40x40)=?
A.
B.
C.
D.
3.  (40x50)-(30x30)=?
A.
B.
C.
D.
4.  (60x30)-(30x30)=?
A.
B.
C.
D.
5.  (50x90)-(50x30)=?
A.
B.
C.
D.
6.  (25x25)+(15x15)=?
A.
B.
C.
D.
7.  (30x30)+(40x40)=?
A.
B.
C.
D.
8.  (10x10)+(20x20)=?
A.
B.
C.
D.
9.  (60x60)-(50x50)=?
A.
B.
C.
D.
10.  (20x60)-(10x30)=?
A.
B.
C.
D.
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