Page:Pit Sòan Ê Chho͘ Ha̍k.djvu/66

Cī siŏh-hiĕk gó muôi gáu-dó̤i

Thiaⁿ ê tn̂g-khoah長闊 lâi-siong-sêng, chīu tit-tio̍h得著 230, chīu-sī就是 pho͘-thiaⁿ só͘ tio̍h ēng ê tsng. Siong-ka相加, kiōng tit-tio̍h得著 838 tè.

Ū chi̍t-kńg-chhioh, tn̂g 25 1 chhioh, khoah 1 , ū chi̍t-keng-pâng, tn̂g 19 chhioh, khoah 12 chhioh; beh lâi-chhu, chi̍t-kńg-chhioh ōe kàu bōe?

In-ūi因為 , chhioh chiàu tsa̍p chìn, chīu bōe tit-thang得通 ēng chhioh ê gia̍h tsòe sió-sò͘小數, só͘-í所以 tio̍h chiong hòa tsòe chhioh, chīu 1 tsòe 3 chhioh, 25 1 chhioh tsòe 76 chhioh: siong-sêng相乘, tit-tio̍h得著 228 pêng-hong-chhioh平方尺.

Ēng 12, 19 lâi-siong-sêng tit-tio̍h得著 228; khó-kiàn可見 hit-kńg chhioh tú-tú抵抵 kàu.

Chiah-ê遮个 siàu ha̍k-seng學生 tio̍h sǹg.

  1. Ū iâm-tiâⁿ chi̍t-tn̄g一丈 sù-hong四方, pho͘ sì-kak-tsng, chi̍t-chhioh一尺 sù-hong四方, tio̍h kúi-tè? Tek 100.
  2. Iâm-tiâⁿ nn̄g-tn̄g sù-hong四方, chiah tio̍h kúi-tè tsng thang pho͘-i? Saⁿ-tn̄g sù-hong四方 chiah kúi-tè? Tek 400, 900.
  3. Ū chhek-tiâⁿ 32 chhioh-pòaⁿ tn̂g, 18 chhioh 8 chhùn khoah, pho͘-tsng, chi̍t-tè chi̍t-chhioh一尺 sù-hong四方 tio̍h kúi-tè? Tek 611.
  4. Siat-sú設使 ng-tiâⁿ chi̍t-tn̄g一丈 sù-hong四方 tio̍h 2 chin chéng-chí, chīu ng-tiâⁿ 8 tn̄g sù-hong四方 tio̍h kúi-chhioh? Khoah 25 chhioh, tn̂g 48 chhioh tio̍h kúi-táu? Tek 1 2 8; 2 4.
  5. Bó͘-lâng某儂 ēng chio̍h-nn̄g pho͘ mn̂g-kháu, tn̂g 24 chhioh, khoah 18 chhioh. Sai-hū師傅 phín chi̍t-tn̄g一丈 sù-hong四方 tio̍h nn̄g-kho͘-pòaⁿ gûn: Só͘-hùi所費 kiōng tio̍h kúi-kho͘幾箍? Tek 10·8.
  6. Chi̍t-khu-hn̂g, tn̂g 75 chhioh, khoah 44 chhioh, tsai ko-lê-chhài高麗菜, chi̍t-tn̄g一丈 sù-hong四方 ōe-tsai-tit 50 tsâng, chīu hn̂g-lāi kiōng thang tsai kúi-tsâng? Koh, bōe chi̍t-tsâng 30 chîⁿ, hn̂g-tsú kiōng ōe niá kui-kho͘-gûn, sǹg chi̍t-kho͘ 1100 chîⁿ? Tek 1650, 45.
  7. Ū chi̍t-keng-pâng, tn̂g 18 chhioh, khoah 14 chhioh 4 chhùn, koâiⁿ 9 chhioh 5 chhùn; i-ê piah lóng pè hoe-tsóa. Hoe-tsóa chi̍t-kńg, khoah chi̍t-bā, tn̂g 40 ta̍t 5 kho͘-gûn.

Chi̍t-keng mn̂g, thang-á, sió-khóa, m̄-sái毋使 sǹg-i, chīu só͘-ēng ê hoe-tsóa kiōng tio̍h kúi-kho͘-gûn? Tek 8·55.