aboode055
aboode055
31-01-2015
Mathematics
contestada
explain how to find 40x50 using mental math
Respuesta :
medinaazizi
medinaazizi
31-01-2015
Bscically DO 4x5 which is 20
NEXT add the two zeros
NOW you have 2,000
40x50=2,000
Answer Link
eu99li
eu99li
31-01-2015
First, do
4*5
=20
Then, add two zeros...
So the answer is
20
00
Answer Link
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3/5(15d+20)-1/6(18d-12)=38
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