1、1288(2614)8 5006-(502-80) (10512 635)25 864(2723)12 (453816)24 500(240386 ) 64( 8742) 15 (845153 )1612 (4928)7450(8448 )12 (58+37)(64-95) 95(64-45 ) 178-14556+42 812-700(9+3111) 85+14(14+20826) (284+16) (512-820818) 120-36418+35 2(58+37)(64-95) (6.8-6.80.55)8.5 0.12 4.80.124.8 (3.21.5+2.5)1.6 6-1.64
2、= 5.38+7.85-5.37= 7.20.8-1.25= 6-1.193-0.43= 6.5(4.8-1.24 )= 5.8(3.87-0.13)+4.23.74 32.52-(6+9.7283.2)2.5(7.1-5.6 ) 0.9-1.15 2.5 5.42.6(3.7-2.9)+0.62 126(12-7.2)-6 1267.2-6 0.681.9+0.321.9 3(58+370) (64-45 ) 420+580-642128 (136+64) (65-34523)48.10.15-10.750.4-5.7 388+(5000-1000)158+262+138 375+219+3
3、81+22550012471021232 (181+2564 )+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755(2187+755)2214+638+286 430657381065899+344 2357183317357 23651086214 497299 2370+19953999+498 1883398 1225 +25x287524 138254 (13125)(38) (12+24+80)50 70425 2532125
4、32(25+125) 88125 10276 5898 5178101178 8436+6484 7599+275 83102832 98199 123181233+85123 50(344)3 25(24+16) 17899+178 7942+79+7957 7300254 8100475 16800120301002100 32000400 49700700 6124824 315015 480025 2356(1356721) 1235(17801665) 7527+192 5 31870+13310 4(2565+2528) (181+2564 )+2719 378+44+114+24
5、2+222 276+228+353+219(375+1034)+(966+125) (2130+783+270)+1017 0.1750.254 0.1750.250.4 200(17272)257630840(240212) 9911 794198 6825 428(30801980)7426756193207 72125 973603360 124252524 355+260+140+245 10299 2125+125x28645-180-245 382101-382460508 358+356435388+(5000-1000) 10276 375+219+381+225 8276+2
6、28+353+21950012471021 232 (181+2564)+2719 (375+1034)+(966+125)378+44+114+242+222 (2130+783+270)+1017 88125 158+262+13844045 360(92) 278(28178)63042 26385163 327(12073) 450(65)2800 100789 75138(100-54) 85(95144024) 24078(154-115) 980400(430087015) 14372727563 75- (12+18) 15 (6.8-6.80.55)8.54507538416
7、 3640(10672611) 4961079504921 18(12485)26 125(5898-713)17 3876(1989876)178-14556+42 812-700(9+3111 )85+14(14+20826) 120-36418+35 (58+37)(64-95 )32.52-(6+9.7283.2)2.5(3.21.5+2.5)1.6 5.8(3.87-0.13 )+4.23.74 10(6.8-6.80.55)8.55.38+7.85-5.37 7.20.8-1.25 6-1.193-0.43 (7.1-5.6)0.9-1.15 2.558+262+138 375+219+381+225 5001-247-1021-23237.85-(7.85+6.4) 30 58870(105202) 14372727563 81432(135278) 181+2564+2719864(2723)12 (453816)24 500(240386) 64(8742) 15 (845153)1612 (4928 )7 450(8448 )12 (58+37)(64-95)