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calculeaza, asociind convenabil factori. a)4x18x25 b)212x2x3x50 c)60x745x50

Răspuns :

Explicație pas cu pas:

a) 4x18x25=(4x25)x18=100x18=1800

b)212x2x3x50=212x[(2x3)x50]=212x(6x50)=212x300=63600

c)60x745x50=(60x50)x745=300x745=223500