T\u1eeb t\u1ef7 l\u1ec7 tr\u00fang, ch\u00fang ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng nh\u1eadn th\u1ea5y 3 c\u00e0ng ch\u00ednh l\u00e0 c\u00e1i d\u1ec5 ch\u01a1i h\u01a1n 4 c\u00e0ng, l\u1ea1i c\u00f3 c\u00e1ch \u0111\u00e1nh nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p. \u0110\u1ec3 d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng<\/span><\/span> th\u00e0nh c\u00f4ng, ch\u00fang ta ph\u1ea3i k\u1ebft h\u1ee3p nhi\u1ec1u c\u00e1ch kh\u00e1c nhau. Sau \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn cho b\u1ea1n bi\u1ebft c\u00e1ch soi c\u1ea7u 3 c\u00e0ng mi\u1ec1n B\u1eafc nhanh nh\u1ea5t, t\u1ef7 l\u1ec7 tr\u00fang \u0103n cao nh\u1ea5t.<\/span><\/span><\/p>\n G\u1ea7n \u0111\u00e2y, ch\u00fang t\u00f4i \u0111\u00e3 c\u1eadp nh\u1eadt l\u1ea1i c\u00e1c b\u00e0i vi\u1ebft v\u1ec1 thu\u1eadt ng\u1eef l\u00f4 \u0111\u1ec1<\/span><\/span>, trong \u0111\u00f3 c\u00f3 ph\u1ea7n gi\u1ea3i th\u00edch v\u1ec1 3 c\u00e0ng. Tuy nhi\u00ean \u0111\u00f3 ch\u1ec9 l\u00e0 ph\u1ea7n gi\u1ea3i th\u00edch s\u01a1 b\u1ed9. <\/span><\/span><\/span>V\u00e0 trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch t\u01b0\u1eddng t\u1eadn h\u01a1n. V\u1eady 3 c\u00e0ng l\u00e0 g\u00ec?<\/span><\/p>\n \u0110\u1ecbnh ngh\u0129a 3 c\u00e0ng mi\u1ec1n B\u1eafc<\/span><\/p>\n 3 c\u00e0ng (hay 3 ch\u00e2n) ch\u00ednh l\u00e0 ch\u00fang ta \u0111\u00e1nh m\u1ed9t con \u0111\u1ec1 ho\u1eb7c m\u1ed9t con l\u00f4 c\u00f3 3 s\u1ed1. \u0110\u00f3 ch\u00ednh l\u00e0 3 c\u00e0ng. T\u1eeb \u0111\u00f3, ch\u00fang ta c\u00f3 l\u00f4 3 c\u00e0ng ho\u1eb7c \u0111\u1ec1 3 c\u00e0ng.<\/span><\/p>\n M\u1ecdi ng\u01b0\u1eddi hay d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng c\u0169ng do n\u00f3 c\u00f3 t\u1ef7 l\u1ec7 \u0103n r\u1ea5t cao. T\u1ef7 l\u1ec7 cao nh\u1ea5t ch\u00fang t\u00f4i th\u1ea5y l\u00e0 1:900, kh\u00e1 l\u00e0 cao. Do \u0111\u00f3, h\u00f4m nay ch\u00fang t\u00f4i s\u1ebd ch\u1ec9 b\u1ea1n c\u00e1ch d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng mi\u1ec1n B\u1eafc<\/span><\/p>\n 3 c\u00e0ng c\u00f3 t\u1ef7 l\u1ec7 tr\u1ea3 th\u01b0\u1edfng r\u1ea5t cao. S\u1ed1 ti\u1ec1n b\u1ecf ra ch\u01a1i \u0111\u1ec1 3 c\u00e0ng v\u00e0 l\u00f4 3 c\u00e0ng c\u0169ng kh\u00e1 th\u1ea5p. Do \u0111\u00f3, nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ec1u mu\u1ed1n th\u1eed v\u1eadn may c\u00f9ng soi c\u1ea7u 3 c\u00e0ng mi\u1ec1n B\u1eafc. <\/span>\u00c0, v\u1ec1 t\u1ef7 l\u1ec7 \u0103n 3 c\u00e0ng mi\u1ec1n b\u1eafc th\u00ec c\u00f3 kh\u1ea3 nhi\u1ec1u, c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/span><\/p>\n Gi\u1ea3 s\u1eed, b\u1ea1n mua 1 \u0111i\u1ec3m \u0111\u1ec1 3 c\u00e0ng gi\u00e1 1000 \u0111\u1ed3ng, b\u1ea1n tr\u00fang con \u0111\u1ec1 th\u00ec b\u1ea1n s\u1ebd \u0103n ngay 900 ngh\u00ecn VN\u0110. N\u1ebfu b\u1ea1n ch\u01a1i l\u00f4 th\u00f4ng qua d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng th\u00ec b\u1ea1n tr\u1ea3 23 ngh\u00ecn VN\u0110 v\u00e0 \u0103n 900 ngh\u00ecn VN\u0110. N\u1ebfu l\u00e0 10 ngh\u00ecn th\u00ec b\u1ea1n s\u1ebd tr\u00fang \u0111\u1ebfn 9 tri\u1ec7u l\u1eadn \u0111\u00f3.<\/span><\/p>\n V\u1edbi ti\u1ec1n \u0103n cao nh\u01b0 th\u1ebf, m\u1ecdi ng\u01b0\u1eddi \u1eaft h\u1eb3n l\u00e0 s\u1ebd ch\u1ea1y \u0111i v\u00e0 \u0111\u00e1nh 3 c\u00e0ng h\u00f4m nay cho m\u00e0 xem. Ch\u00fa \u00fd nh\u00e9, \u0111\u1eebng n\u00f3ng \u0111\u00e3.<\/span><\/p>\n <\/p>\n Do c\u00f3 ti\u1ec1n \u0103n l\u1edbn (nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp) v\u00e0 chi ph\u00ed r\u1ebb, nhi\u1ec1u ng\u01b0\u1eddi b\u1ecf th\u1eddi gian ra \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng mi\u1ec1n B\u1eafc, th\u1eadm ch\u00ed c\u1ea3 d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng mi\u1ec1n Nam \u2013 Trung (v\u1ed1n r\u1ea5t kh\u00f4ng \u1ed5n \u0111\u1ecbnh).<\/span><\/span><\/p>\n Ti\u1ebfp theo, do s\u1ef1 \u201cr\u1ea5t kh\u00f3 tr\u00fang\u201d c\u1ee7a n\u00f3 m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 t\u1eeb b\u1ecf ngay kh\u00f4ng ch\u00fat do d\u1ef1, \u0111i\u1ec1u n\u00e0y l\u00e0 kh\u00f4ng n\u00ean m\u1ed9t ch\u00fat n\u00e0o. <\/span><\/span>\u0110\u1ec3 ch\u01a1i 3 c\u00e0ng t\u1ed1t, c\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i chu\u1ea9n b\u1ecb s\u1eb5n m\u1ed9t s\u1ed1 t\u00e2m l\u00fd nh\u01b0 sau:<\/span><\/span><\/p>\n<\/span>D\u1ef1 \u0111o\u00e1n 3 c\u00e0ng \u2013 3 c\u00e0ng l\u00e0 c\u00e1i g\u00ec?<\/span><\/h2>\n
<\/span>3 c\u00e0ng \u0103n bao nhi\u00eau?<\/span><\/h3>\n
\n
<\/span>Chu\u1ea9n b\u1ecb t\u00e2m l\u00fd d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng mi\u1ec1n B\u1eafc<\/span><\/h2>\n
\n
\n
\n