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3 boys and 3 girls,how many boy - girl pairs can be formed ?

• math -

18

• math -

could u please explain how u work it out,thanks

• math -

1 2 3
1 2 3
(1,1)(1,2)(1,3)
(2,1)(2,2)(2,3)
(3,1)(3,2)(3,3)
Total of 18 selections and 9 pairs

understood?

• math -

sorry, I 'm still not understand

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