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Roxy1986
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Completeaza casetele si rezolva operatiile.a)3×(2+27)=3×2+3× = + = .b)(143+43)×2=143× + ×2= + = ,c)(62-30)×4= ×4 - × = - = ,d)(450-110)×14=450× - × = - =​

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ValyCvm

Răspuns:

a) 3x(2+27)=3x2+3x27=6+81=87

b) (143+43)x2=143x2+43x2=286+86=372

c) (62-30)x4=62×4-30x4=248-120=128

d) (450-110)x14=450x14-110x14=6300-1540=4760