Odpowiedź :
1⅖²= 7/5² = 49/25 = 1,96
-2½⁻¹= -2,5⁻¹ = 1/-2,5 = -0,4
-1,2²= 144/100 = 1,44
-2½⁻¹= -2,5⁻¹ = 1/-2,5 = -0,4
-1,2²= 144/100 = 1,44
1⅖²=49/25=1 24/25
-2½⁻¹=-2/5
-1,2²=-144/100=-1 44/100=-1,44
-2½⁻¹=-2/5
-1,2²=-144/100=-1 44/100=-1,44