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( 4 √10×) ÷ ( 2√2×)
(14×+18×)÷(-2×)
(24×- 12×+ 26×) ÷(-2×)


Răspuns :

1) (4 x 5√2 ) : (2√2x)
= 20√2 : 2√2x
= 10√2 x

2) 32x : (-2x)
= -16x

3) 38x : (-2x)
= -19x