Question

5£®ÔõÑù¼ò±ãÔõÑùËã
5$\frac{17}{24}$¡Á$\frac{3}{4}$+5$\frac{17}{24}$¡Â4            
36¡Á£¨$\frac{4}{9}$+$\frac{3}{4}$-$\frac{1}{12}$+$\frac{5}{6}$£©
17¡Á[$\frac{3}{8}$+£¨$\frac{5}{4}$-$\frac{5}{6}$£©]
4$\frac{8}{25}$-$\frac{7}{15}$¡Á$\frac{3}{5}$¡Â$\frac{7}{45}$£®

Answer 1

·ÖÎö ¢Ù³ýÒÔ4µÈÓÚ³Ë$\frac{1}{4}$£¬È»ºó¸ù¾Ý³Ë·¨·ÖÅäÂÉ£¬¼ÆËã¼´¿É£»
¢Ú¸ù¾Ý³Ë·¨·ÖÅäÂÉ£¬Ê×ÏȼÆËã³Ë·¨£¬È»ºóÇóºÍ»ò²î£»
¢ÛÊ×ÏȼÆËãСÀ¨ºÅÄڵļõ·¨£¬È»ºó¼ÆËãÖÐÀ¨ºÅÄڵļӷ¨£¬×îºó¼ÆËã³Ë·¨£»
¢ÜÊ×ÏȼÆËã³Ë·¨¡¢³ý·¨£¬È»ºó¼ÆËã¼õ·¨£®

½â´ð ½â£º¢Ù5$\frac{17}{24}$¡Á$\frac{3}{4}$+5$\frac{17}{24}$¡Â4      
=5$\frac{17}{24}$¡Á£¨$\frac{3}{4}$+$\frac{1}{4}$£©
=5$\frac{17}{24}$¡Á1   
=5$\frac{17}{24}$

¢Ú36¡Á£¨$\frac{4}{9}$+$\frac{3}{4}$-$\frac{1}{12}$+$\frac{5}{6}$£©
=36¡Á$\frac{4}{9}$+36¡Á$\frac{3}{4}$-36¡Á$\frac{1}{12}$+36¡Á$\frac{5}{6}$
=16+27-3+30
=70

¢Û17¡Á[$\frac{3}{8}$+£¨$\frac{5}{4}$-$\frac{5}{6}$£©]
=17¡Á£¨$\frac{3}{8}$+$\frac{5}{12}$£©
=17¡Á$\frac{19}{24}$
=13$\frac{11}{24}$

¢Ü4$\frac{8}{25}$-$\frac{7}{15}$¡Á$\frac{3}{5}$¡Â$\frac{7}{45}$
=4$\frac{8}{25}$-$\frac{7}{25}$¡Á$\frac{45}{7}$
=4$\frac{8}{25}$-1$\frac{20}{25}$
=2$\frac{13}{25}$

µãÆÀ ±¾Ì⿼²éÁËѧÉúͨ¹ýÔ¼·Ö¶Ô·ÖÊýËÄÔò»ìºÏÔËÌâÄ¿½øÐмòËãµÄÄÜÁ¦£®