1、168+750= 694-149= 651-615= 332+384= 361+331= 515+483= 156-25= 878-128= 423+493= 867-387= 711-17= 803-408= 707+220= 568-309= 59+583= 494+264= 901-508= 407+320= 771-419= 443+286= 893-818= 654+184= 829-10= 182+465= 715-594= 38+241= 277+566= 630-341= 929-611= 214+739= 299+437= 476-68= 459+339= 334+491=
2、313+478= 432+316= 469+293= 202+764= 209-96= 179+686= 145-117= 391+416= 910-284= 557-401= 435+481= 473+425= 662-523= 380+480= 430+457= 792-234=39+497= 492+85= 74+273= 935-690= 380+475= 540+448= 683-604= 476+451= 138+81= 469+412= 225+675= 433-21= 321+416= 298+600= 718+174= 995-775= 985-807= 136+471= 3
3、45+427= 622+190=437+270=683+181= 903-786= 81+519=525-412=736-675= 461+433= 833-732=961-600= 718-608=188-14= 166+262= 419+489= 811-796= 230-177=脱式计算224221 213410 402174= = =147728 94420 2804= = =12052 202369 305240819877 921+74 665+774 = = =8062 7707+65 807202100505 35357 302302 60083 401005 434255 6
4、0123 648456 6604 567366 500(400396) 7295= = =564+264-453 7650-(546+4530) 659-450= = =980+980 9000-(4500+250) 6700+728146+95 900(71-68) 1809-426 = = =126453 8(910-720) 760-540+11106500+1250-3500 8030+5600 9450-3200-42002400645 800 7180 16002230 4000 8 + 350 320864 270 3 9630 9 + 320 2800+32 6 3009 (6
5、900-2400) 5 (729)(568) 54 9 280 4 5 608+1570 60(23-17) 4221 213410 408 99 309877 665+774 921+77+65 80720= = =3 401008456 64060= = = 57486 426 37419104204 153105 2554235587 729366 2145472895 364212 25516(400396) 72564+264-453 7650-(546+4530) 6580+980 9000-(4500+250) 6700+725 900(71-68) 180645 800 7180 1600 (6900-2400)96049 3509 4505+1250 5 7515205 30906(387387)0 16016080 7505505= = = = = =(111189)3 125100 62500 (17)(166) 81044= 33114187299299 587+49-467 753-154 26602626 798-2452 654-1233153153+657 32(3216) 300(300222)755 (15075)(2520) = = =
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