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elkhateib Permalink
March 29, 2011, 15:32

can any one help me please for this
i need a formula if you do it for 750236938
the answer will be 388857077
A +,-,/,* ? = b

it shuold be one formula for all the next :

a) 750236938
b) 388857077

a) 1889225097
b) 1258389622

a) 947774784
b) 65481919

a) -1262787430
b) 1893618329

a) -526728927
b) 620754720

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