Fisa de lucru
Rezolva in doua moduri:
5 x ( 30 + 20 ) = ( 60 + 40 ) x 3 =
( 45 + 32 ) x 8 = 7 x ( 54 + 32 ) =
4 x ( 63 + 17 ) = ( 25 + 64 ) x 3 =
( 26 + 53 ) x 9 = ( 78 + 18 ) x 6 =
Compara produsele:
90 x 3 2 x
90 10 x
4 40 x 0
60 x 4 80
x 3 40 x
3 6 x 20
40 x 4 5 x
50 50 x
3 60 x 3
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