Question

1£®¼ÆËãÏÂÃæ¸÷Ì⣮£¨ÄܼòËãµÄÒªÓüò±ã·½·¨¼ÆË㣮£©

$\frac{5}{12}$¡Á28%¡Á$\frac{3}{14}$	$\frac{7}{9}$¡Â$\frac{1}{2}$¡Â$\frac{35}{36}$	$\frac{3}{5}$¡Á$\frac{8}{9}$¡Â$\frac{5}{8}$
40%¡Á13+87¡Á0.4	$\frac{5}{14}$¡Á£¨$\frac{14}{25}$+28£©	$\frac{16}{23}$¡Á27+16¡Á$\frac{19}{23}$

Answer 1

·ÖÎö £¨1£©°Ñ°Ù·ÖÊý»¯Îª·ÖÊý£¬Ô¼·Ö¼ÆË㣻
£¨2£©£¨3£©°Ñ³ý·¨±äΪ³Ë·¨£¬Ô¼·Ö¼ÆË㣻
£¨4£©¿É½«Ê½ÖеİٷÖÊý»¯³ÉСÊýºó£¬¸ù¾Ý³Ë·¨·ÖÅäÂɼÆË㣻
£¨5£©£¨6£©Óó˷¨·ÖÅäÂɼòË㣮

½â´ð ½â£º£¨1£©$\frac{5}{12}$¡Á28%¡Á$\frac{3}{14}$
=$\frac{5}{12}$¡Á$\frac{7}{25}$¡Á$\frac{3}{14}$
=$\frac{1}{40}$

£¨2£©$\frac{7}{9}$¡Â$\frac{1}{2}$¡Â$\frac{35}{36}$
=$\frac{7}{9}$¡Á2¡Á$\frac{36}{35}$
=$\frac{8}{5}$

£¨3£©$\frac{3}{5}$¡Á$\frac{8}{9}$¡Â$\frac{5}{8}$
=$\frac{3}{5}$¡Á$\frac{8}{9}$¡Á$\frac{8}{5}$
=$\frac{64}{75}$

£¨4£©40%¡Á13+87¡Á0.4
=0.4¡Á13+87¡Á0.4
=£¨13+37£©¡Á0.4
=50¡Á0.4
=20

£¨5£©$\frac{5}{14}$¡Á£¨$\frac{14}{25}$+28£©
=$\frac{5}{14}$¡Á$\frac{14}{25}$+$\frac{5}{14}$¡Á28
=$\frac{1}{5}$+10
=10$\frac{1}{5}$

£¨6£©$\frac{16}{23}$¡Á27+16¡Á$\frac{19}{23}$
=$\frac{16}{23}$¡Á27+$\frac{16}{23}$¡Á19
=$\frac{16}{23}$¡Á£¨27+19£©
=$\frac{16}{23}$¡Á46
=32

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