oblicz:
(1¹/₇)²+⁴³/₇-(⅝)⁰=
1,34·5-0,2=
1 cala i 1/7 do potegi 2 + 43/7-(5/8)do potegi 0 = 8/7 do potegi 2 + 43/7 - 5/8 = 64/49+43/7-5/8= 64/49 +301/49-5/8= 365/49-5/8= 2920/392-245/392= 2675/392= 6 323/3921.34*5-0,2= 6,7 -0,2= 6,5
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1 cala i 1/7 do potegi 2 + 43/7-(5/8)do potegi 0 = 8/7 do potegi 2 + 43/7 - 5/8 = 64/49+43/7-5/8= 64/49 +301/49-5/8= 365/49-5/8= 2920/392-245/392= 2675/392= 6 323/392
1.34*5-0,2= 6,7 -0,2= 6,5