1、 606-208= 6037=3265= 4828= 3707= 784-685=9153= 5604= 458+542= 4233= 1924 6027 8399 72666343= 3677955= 4253=8655= 9848= 4373= 41379=5.5-4.7= 6.6+2.6= 6.4-2.8= 1-0.5=8+2.18= 2.7+2.3= 10.8-2.8= 7.2-3.2= 14.6+16.74= 10.7-2.8= 15.15-8.8= 1-0.3=8147= 505 3592= 4124=1879= 10191= 9175= 1026=14.257.3= 5.752.
2、7= 18.236.35=4.822.65= 31.328.7= 3.41.95.603.20= 8.602.40 7.30-1.65=621324= 5761628= 9361222=75+1612= (785-462)12= 1563(67-39)35 = 36(32+14)= 512335=8402418= 4761727= 62+2937=(524-269)22= 351823= 71+25515=5.5-4.7= 6.6+2.6= 6.4-2.8= 1-0.5=8+2.18= 2.7+2.3= 10.8-2.8= 7.2-3.2= 4.8+7.7= 5-1.8= 12.45+3.6=
3、 9.4+6.42=1755= 4608= 8405 916085455265=46552=4565=123122451356256=45258996239581065148348216=4593(1)(37-28)4= (2)86-30= (3)42-30(4)720-(82+122)= (5)225(59)= (6)36+6418=(7)80404= (8)804= (9)1308020=(10)1308020= (11)1308020= (12)72094= (13)720(94)= (14)30515 (15)30(515)(135+75)(145)=1024120-6051200-2
4、0(135+415)5+16= (360-144)3=240+480302=225-10(6+13)=330(65-50)=1996-96274=64(12+6513)=5940(798-616)=(31540-364)125208(12111)=(2010-906)(65+15)=(20+12024)8=9-769=11713+36377437(65+35)=540-(148+47)13=690+4752-398=148+332864-75=(247+18)2725=36-720(36018)=1418520= 78-2673= 549934=96(325295)= (2862)23= 900+(902)=2865= 20017 7822722123= 35424= 728326= 3366= 8459= 2647= 54 2144= 6677= 1936=7270729= 460177177= 698245155=838(138275)= 96480= 12080010 =(10036)4= 718753= (18724)5= 2335748= 27563= 5(399214)= (5826467)7= 3281726= 3474192= 2762(76278)= 625756 = 3710037=