Odpowiedzi

Najlepsza Odpowiedź!
2009-11-11T19:59:08+01:00
(-4⅔)*(-2²/₃)-3⅓*(0,4-3⅕)= (-14/3)×(-8/3) -3⅓×(0,4-3⅕)= 112/9-27/9×(0,4-3⅕)=
85/3×(4/10-32/10)=85/3×(-28/10)=-2380/30= -79 1/3
(-3¾)*(-2⅔)-1½:(-3²)=120/12- 3/2×1/9= 120/12 - 1/6= 120/12 - 2/12 = 118/12 = 9 5/6
(-2⅕-0,2):1⅗ -2/1 × 5/8
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋ = ₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋ = 1/4 × 10/6 = 5/12
-0,2*0,3 0,6