ÌâÎÄ

¼ÆËã  £¨1£©£¨-3.6£©+£¨+2.5£© £¨2£©3-2¡Á£¨-5£©2 £¨3£©-24¡Á(- 5 6 + 3 8 - 1 12 ) £¨4£© 1 2 +(- 2 3 )+ 4 5 +(- 1 2 )+(- 1 3 ) £¨5£©-14-( 13 14 - 11 12 )¡Á[4-(-2)2] £¨6£©5¡Á£¨-6£©-£¨-4£©2¡Â£¨-8£© £¨7£©-7.2-0.9-5.6+1.7 £¨8£©(-1 3 5 )+(-3.2)+|-1.8|£®

ÌâÐÍ£º½â´ðÌâ  ÄѶȣºÖеµ

´ð°¸

£¨1£©£¨-3.6£©+£¨+2.5£©=-1.1£» £¨2£©3-2¡Á£¨-5£©2 =3-2¡Á25 =3-50 =-47£» £¨3£©-24¡Á(- 5 6 + 3 8 - 1 12 ) =24¡Á 5 6 -24¡Á 3 8 +24¡Á 1 12 =20-9+2 =13£» £¨4£© 1 2 +(- 2 3 )+ 4 5 +(- 1 2 )+(- 1 3 ) =£¨ 1 2 - 1 2 £©+£¨- 2 3 - 1 3 £©+ 4 5 =0-1+ 4 5 =- 1 5 £» £¨5£©-14-( 13 14 - 11 12 )¡Á[4-(-2)2] =-1-£¨ 13 14 - 11 12 £©¡Á[4-4] =-1-£¨ 13 14 - 11 12 £©¡Á0 =-1-0 =-1£» £¨6£©5¡Á£¨-6£©-£¨-4£©2¡Â£¨-8£© =-30-16¡Â£¨-8£© =-30+2 =-28£» £¨7£©-7.2-0.9-5.6+1.7 =-13.7+1.7 =-12£» £¨8£©(-1 3 5 )+(-3.2)+|-1.8| =-1.6-3.2+1.8 =-4.8+1.8 =-3£®

¾Ýר¼ÒȨÍþ·ÖÎö£¬ÊÔÌâ¡°¼ÆË㣨1£©£¨-3.6£©+£¨+2.5£©£¨2£©3-2¡Á£¨-5£©2£¨3£©-24¡Á(-56+38-112)£¨4£©12+(..¡±Ö÷Òª¿¼²éÄã¶Ô  ÓÐÀíÊýµÄ»ìºÏÔËËã  µÈ¿¼µãµÄÀí½â¡£¹ØÓÚÕâЩ¿¼µãµÄ¡°µµ°¸¡±ÈçÏ£º

ÓÐÀíÊýµÄ»ìºÏÔËËã

¿¼µãÃû³Æ£ºÓÐÀíÊýµÄ»ìºÏÔËËã

• ÓÐÀíÊýµÄ»ìºÏÔËË㣺
  ÊÇÒ»¸öÔËËãʽ×ÓÖÐÓмÓÓмõÓгËÓгýÓдη½µÈÔËË㷽ʽµÄ»ìºÏÔËË㷽ʽ¡£

• ÓÐÀíÊý»ìºÏÔËËãµÄ¹æÂÉ£º
  £¨1£©Ïȳ˷½£¬Ôٳ˳ý£¬×îºó¼Ó¼õ£»
  £¨2£©Í¬¼¶ÔËË㣬´Ó×óµ½ÓÒ½øÐУ»
  £¨3£©ÈôÓÐÀ¨ºÅ£¬ÏÈ×öÀ¨ºÅÄÚµÄÔËË㣬°´Ð¡À¨ºÅ¡¢ÖÐÀ¨ºÅ¡¢´óÀ¨ºÅÒÀ´Î½øÐмÆËã¡£