ÌâÄ¿ÄÚÈÝ
ѧϰÁËͳ¼Æ֪ʶºó£¬Ð¡Ã÷¾Í±¾°àͬѧϲ»¶µÄÌåÓý Ô˶¯ÏîÄ¿½øÐе÷²éͳ¼Æ£¬ÈçͼÊÇËûͨ¹ýÊÕ¼¯Êý¾Ý»æÖƵÄÁ½·ù²»ÍêÕûµÄͳ¼Æͼ£®
£¨1£©¸Ã°à¹²ÓжàÉÙÃûѧÉú£»
£¨2£©¸Ã°àϲ»¶Æ¹ÅÒÇòµÄѧÉúÓжàÉÙÃû£¬²¢½«ÌõÐÎͳ¼Æͼ²¹³äÍêÕû£»
£¨3£©ÈôСÃ÷ËùÔÚµÄÄ꼶¹²ÓÐ500ÃûѧÉú£¬¹À¼Æ¸ÃÄ꼶ϲ»¶Æ¹ÅÒÇòµÄѧÉú¶àÉÙÃû£»
£¨4£©ÔÚÈ«°àͬѧÖÐËæ»úÑ¡³öÒ»ÃûѧÉú£¬Ñ¡³öµÄѧÉúÇ¡ºÃÊÇϲ»¶ÀºÇòÏîÄ¿µÄ¸ÅÂÊÊǶàÉÙ£®

£¨1£©¸Ã°à¹²ÓжàÉÙÃûѧÉú£»
£¨2£©¸Ã°àϲ»¶Æ¹ÅÒÇòµÄѧÉúÓжàÉÙÃû£¬²¢½«ÌõÐÎͳ¼Æͼ²¹³äÍêÕû£»
£¨3£©ÈôСÃ÷ËùÔÚµÄÄ꼶¹²ÓÐ500ÃûѧÉú£¬¹À¼Æ¸ÃÄ꼶ϲ»¶Æ¹ÅÒÇòµÄѧÉú¶àÉÙÃû£»
£¨4£©ÔÚÈ«°àͬѧÖÐËæ»úÑ¡³öÒ»ÃûѧÉú£¬Ñ¡³öµÄѧÉúÇ¡ºÃÊÇϲ»¶ÀºÇòÏîÄ¿µÄ¸ÅÂÊÊǶàÉÙ£®

£¨1£©40£»£¨2£©12£¬²¹Í¼¼û½âÎö£»£¨3£©150£»£¨4£©
.

ÊÔÌâ·ÖÎö£º£¨1£©ÓÃϲ»¶ÆäËûÔ˶¯µÄÈËÊý³ýÒÔËüËùÕ¼µÄ°Ù·Ö±È¿ÉµÃ×ܹ²µÄѧÉúÊý£»
£¨2£©ÓÃ×ÜÊý-ϲ»¶ÀºÇòµÄÈËÊý-ϲ»¶ÆäËûÔ˶¯µÄÈËÊý£¬Ëã³öϲ»¶Æ¹ÅÒÇòµÄÈËÊý£¬ÔÙ»³öÌõÐÎͼ¼´¿É£»
£¨3£©ÀûÓÃÑù±¾¹À¼Æ×ÜÌåµÄ·½·¨£¬ÓÃ×ÜÊý¡ÁÑù±¾ÖÐϲ»¶Æ¹ÅÒÇòµÄѧÉúËùÕ¼µÄ°Ù·Ö±È£»
£¨4£©¸ÅÂÊ=

£¨1£©20¡Â50%=40£¨ÈË£©£»
£¨2£©40-8-20=12£¨ÈË£©£¬
ÈçͼËùʾ£º

£¨3£©500¡Á£¨

£¨4£©Ñ¡³öµÄѧÉúÇ¡ºÃÊÇϲ»¶ÀºÇòÏîÄ¿µÄ¸ÅÂÊÊÇ£º


Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿