1pole ---- 4 i 2/3 cm2
2 pole ----- 4 i 2/3 + 2,5 = 4 i 2/3 + 2 i 1/2 = 4 i 4/6 + 2 i 3/6 = 6 i 7/6 = 7 i 1/6 cm2
3 pole ----- x
( 4 i 2/3 + 7 i 1/6 + x ) : 3 = 13 i 4/9 / * 3
( 4 i 4/6 + 7 i 1/6 + x ) = 121/9 * 3
11 i 5/6 + x = 121/3
x = 242/6 - 11 i 5/6
x = 242/6 - 71/6
x = 171/6
x = 28 i 3/6
x = 28 i 1/2 ------------- odpowiedz
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1pole ---- 4 i 2/3 cm2
2 pole ----- 4 i 2/3 + 2,5 = 4 i 2/3 + 2 i 1/2 = 4 i 4/6 + 2 i 3/6 = 6 i 7/6 = 7 i 1/6 cm2
3 pole ----- x
( 4 i 2/3 + 7 i 1/6 + x ) : 3 = 13 i 4/9 / * 3
( 4 i 4/6 + 7 i 1/6 + x ) = 121/9 * 3
11 i 5/6 + x = 121/3
x = 242/6 - 11 i 5/6
x = 242/6 - 71/6
x = 171/6
x = 28 i 3/6
x = 28 i 1/2 ------------- odpowiedz