4.9x4.9
ÈçºÎÆÀ¼Û°×æç±à»æµÄÈ»÷Âþ»×÷Æ·¡¶4.9x4.9¡·?
È»÷XÁµ°® ¡¶4.9x4.9¡·ÕⲿÔø¾ÎÒÒÔΪÊǹúÄÚ×îºÃµÄÈ»÷Âþ»£¬Ã»Ïëµ½×îºó±ä³ÉÁËÁµ°®Âþ~ÕâÊÇÒ»²¿ÓÅÐã...
4.9x4.9µÄµ¥Ðб¾
Ò»¿ÅÃûΪ¡¶4.9¡Á4.9¡·µÄÐÂÐÇÇÄÈ»ÉýÆð£¬Í¬Ñù¹ØÓÚÈ»÷¡¢¹ØÓÚÉÙÄê¡¢¹ØÓÚÈÈѪ£¬
4.9¡Á4.9+0.49¡Á51Óüò±ã¼ÆËã?
4.9 x4.9 +0.49 x51 =4.9x4.9+4.9x5.1 =4.9x( 4.9+5.1)=4.9¡Á10 =49
4.9¡Á4.9+0.49¡Á5.1Ôõô¼ò±ãÔËËã?
ÄãºÃ£¬ÄãÊDz»Êdz´íʽ×ÓÁË£¬Õâû·¨¼ò±ãÔËËã¡£
ºóλ×Ó¹¬,¹¬Ìå´óС4.9x4.9x4.8cm,ÐÎ̬¹æÔò,ÄÚĤÏß¾Ó...
²¡Çé·ÖÎö£º ÄúºÃ£¬ÄãµÄÇé¿ö£¬¿¼ÂÇ×Ó¹¬ÄÚĤ½Ïºñ£¬ÆäËûδ¼ûÒì³£Çé¿ö¡£
4.9¡Á4.9+4.9¡Á5.1µÈÓÚ¶àÉٵĵÈʽ
=4.9¡Á£¨4.9+5.1£©=4.9¡Á10 =49
4.9X4.9+4.9¢ú0.1Ôõô×ö¼ò±ãÔËËã?
Ôʽ£º4.9*£¨4.9+0.1£©=4.9*5 =£¨5-0.1£©*5 =5*5-0.1*5 =25-0.5 =24.5 Çë²ÉÄÉлл ...
4.9x4.9+4.9Ôõô¼ò±ã
4.9x4.9+4.9=4.9*(4.9+0.1)-0.49+4.9=4.9*5-0.49+4.9=28.91
×Ó¹¬ºóλ¡£¹¬Ìå´óСΪ:4.9x4 - ÓÐÎʱشð
¿¼ÂÇÓÐÅèÇ»Ñ×£¬ÐèÒª·þÓÃÖÎÁÆÅèÇ»Ñ×µÄÖгÉÒ©£¬ÖÎÁƺóÔÙ»³ÔУ¬ÓÐÅèÇ»Ñ×Ö¢ÈÝÒ×Ôì³É¹¬ÍâÔÐµÄ ...