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Mathematics
Tutor: None Selected Time limit: 1 Day

Sep 27th, 2015

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Answer     C.    10(4+3)

Note

40  +  30  =  70

10(4+3)  =  10   X   7    (4 + 3 = 7)

               =  70

Therefore     40  +  30  =  10(4+3) 

                                70  =  70

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Sep 27th, 2015

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