Question

4£®Ö±½ÓдµÃÊý 

2005-601=	9¡Â23=	1.05-0.25=	0.25¡Á0.125=
1154+846=	39¡Â0.01=	0.137¡Á100=	2.5¡Â0.5=
$\frac{3}{8}$+$\frac{1}{4}$=	$\frac{4}{9}$$¡Â\frac{5}{6}$=	$\frac{1}{5}$¡Á25%=	$\frac{6}{25}$¡Á$\frac{5}{7}$$¡Â\frac{6}{25}$¡Á$\frac{5}{7}$
4¡Á2.5=	0¡Â2.5=	1.5¡Â0.5=	11¡Â55=
3.14¡Á8=	23=	2.5¡Á3.5¡Á4=	0.375¡Á8=

Answer 1

·ÖÎö ¸ù¾ÝÕûÊý¡¢Ð¡ÊýºÍ·ÖÊý¼Ó¼õ³Ë³ý·¨ÔËËãµÄ¼ÆËã·¨Ôò¼ÆËã¼´¿ÉÇó½â£®×¢Òâ$\frac{6}{25}$¡Á$\frac{5}{7}$$¡Â\frac{6}{25}$¡Á$\frac{5}{7}$±äÐÎΪ£¨$\frac{6}{25}$$¡Â\frac{6}{25}$£©¡Á£¨$\frac{5}{7}$¡Á$\frac{5}{7}$£©¼ÆË㣬2.5¡Á3.5¡Á4±äÐÎΪ2.5¡Á4¡Á3.5¼ÆË㣮

½â´ð ½â£º

2005-601=1404	9¡Â23=$\frac{9}{23}$	1.05-0.25=0.8	0.25¡Á0.125=$\frac{1}{32}$
1154+846=2000	39¡Â0.01=3900	0.137¡Á100=13.7	2.5¡Â0.5=5
$\frac{3}{8}$+$\frac{1}{4}$=$\frac{5}{8}$	$\frac{4}{9}$$¡Â\frac{5}{6}$=$\frac{8}{15}$	$\frac{1}{5}$¡Á25%=$\frac{1}{20}$	$\frac{6}{25}$¡Á$\frac{5}{7}$$¡Â\frac{6}{25}$¡Á$\frac{5}{7}$=$\frac{25}{49}$
4¡Á2.5=10	0¡Â2.5=0	1.5¡Â0.5=3	11¡Â55=0.2
3.14¡Á8=25.12	23=8	2.5¡Á3.5¡Á4=35	0.375¡Á8=3

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