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2010-03-09T07:37:23+01:00
(3 ⅔)²=121/9=13 4/9

(0,3)³=0,027

(-⁷/12)²=49/144

(-⅓)²=1/9

(1⅓)²= 16/9=1 7/9
2010-03-09T07:42:46+01:00
(3 ⅔)²=11/3 x 11/3 = 121/9 =13 ,4/9
(0,3)³=3/10 x3/10 x3/10= 27/1000=0,027
(-⁷/12)²=-⁷/12x-⁷/12 =49/144
(-⅓)²= 1/9
(1⅓)²= 4/3 x4/3 =16/9 =1,7/9