Uwaga, mam znów okropne ułameczki. Więc kto lubi to liczyć to jest to ;):
(8× 1 ₁ +4 * 1i ₁- 12 i ₄₀) * (38 i ₃₂ - 37 ₁₂₆) =
₁₂ ₁₈ ₄₅ ₁₂₈ ₅₁₂
To zadanie jest tylko dla chętnych ale chce je mieć ;)
15 pkt za pomoc i wybieram naj!
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(8*1i1/12+4*1i1/18-12i40/45)*(38i32/128-37i126/512)=
=(104/12+76/18-580/45)*(9792/512-19070/512)=
=((84240+41040-125280)/9720)*(-9278/512)=
=0/9720*(-9278/512)=0
(8 x 1 1/12 +4*1 1/18 - 12 40/45) * (38 32/128 - 37 126/512) =
= (8* 13/12 + 4* 19/18 - 12 8/9) * (38 64/ 256 - 37 63 / 256 =
= (26/3 + 38/9 -116/9 ) * (1 1/256 )=
= (78/9 +38/9 -116/9 ) * 1 1/256 =
= (116/9 - 116/9 ) * 1 1/256 =
= 0 * 1 1/256 =0