1、245= 0245= 2455=3000300= 6055= 5050= 306702199= 4803= 12080= 278=6215= 8604= 195= 40520430= 5117= 1561= 879131= 8010= 4655= 87040020= 2107= 45009= 530030= 88112= 3717= 36867= 2790= 333= 8808= 4808= 229= 1650= 1930=27030= 927= 3860= 144=1304= 8103= 7224= 164= 876= 676= 3632= 554=50244= 999= 8008004=
2、897=72726= 8210= 90303= 68020=3= 588= 5730= 86862=27= 24156= 1834= 5060=45555 70(4032) 30025= 960451463 30006408= 500412(400394)706= 1+2+3+4+5+6+7+8+9+10=1+11+111+1111+1111= 1+12+123+1234+12345= 100001000100101=55= 254=2022=1083= 120 3033= 615607= 8109= 700 300300= 70700= 752=099=84 540 01= 8819 127
3、0= 2540= 459910= 310 0666= 1566=80200= 611= 9990= 203820 1730= 961058406= 25 12375+125= 1000-29=24= 2150=150 77 33020= 408123 55 11 5607=66 390 200500=100100= 920= 500= 9901258=12= 3096=5 240-100 3620-20=450 350+300 523-56=179+810 54+2340-800=819 (65+35) (790-700)(69+21)= 64(648)=27+315=89=6378+25=
4、199+0(75+125)= 730-210+190= 80+8012099= 825+20900-200 4040-90= 132+5 80 10010=27-109 4042+20=75+21=6957=49+37=8125=40268+125=280+40=6622=468542=9031=605541=3058112=455131=136012050=30064=64665031=4255280=45080=57140=8003000400=42068020= 420-330=28=1721288=6303507001832072822240=787=56380190=5023=35739026=67=522+23=1201555=60050=5620036=15+5380+50=7890=30048=68025=6+6=43624=111360+80=85+247=31020066070550=5005401435080=57050=2318053070=85026380=85098261026000+4000=5000500=8600600=1300500=600