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Monday, February 12, 2007


Mathematics Problem


Justus playing at his grandparent's house (my neighbour)


Justus came to find me again on mathematics problems. I thought he was only in primary two but I was wrong. Time had really flown.

Ali, Peter and Mingfa are 160kg altogether. Ali is 8kg heavier than Mingfa and Peter is 6kg heavier than Mingfa. How much heavy is Mingfa?

I was so amazed that the name Mingfa appeared so famous in primary school.

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... Skai (Kailun) dreams @ 4:33 PM

2 Encouragements:

Blogger jorn whispered...

A+M+P=160
(A+P)+M=160 -(1)
A=M+8 -(2)
P=M+6 -(3)
Subst (2)+(3) into (1),
(2M+14)+M=160
M=48/2/3
A=56/2/3
P=54/2/3

HAHA

(12 February, 2007 22:40)  


Blogger Skai Chan whispered...

i'm wondering have primary 3 students learnt fraction..

actually i have forgotten the "unit" already. at first i thought is "age"...

(12 February, 2007 22:49)  



Sweeten my dreams (2)

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