Day: October 21, 2020

180)

ա) 7x60x5=(60×5)x7=2100

172x2x5=(2×5)x172=1720

60x50x90=(60×90)x50=270000

5x4x5x4x5x4=5x4x(5×4)x5x4=8000

2x4x3x2+6x7x5x2=468

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