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2014-10-13T20:43:40+03:00
A)25×20×8×5=25x20x40=25x40x20=1000x20=20000
b)40×15×5×10=40x10x15x5=400x75=30000
c)15×45×6×2=15x6x45x2=90x90=8100
d)125×12×4×5=125x4x12x5=500x60x30000
e)150×50×4×6=150x4x50x6=600x300=180000
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