44+932= 199+398= 801+60= 814+551= 75+505=
481+21= 665+1000= 729+808= 306+812= 28+911= 263+206= 644+64= 537+385= 310+534= 861+146=
558+321= 502+957= 857+423= 459+86= 473+577=
733+530= 139+312= 323+291= 387+833= 964+103=
686+936= 921+231= 302+355= 195+676= 968+825=
519+171=
865+868=
548-430=
897-727= 940-456=
599-481=
985-807=
683+181=
461+433=
166+262=
395-46=
999-921=
168+750=
515+483=
711-17=
494+264=
893-818=
38+241=
299+437=
432+316=
145-117=
473+425=
39+497=
540+448=
225+675=
160+248= 515+449= 118+377= 716-316= 983-327= 825-332= 898-584= 830-54= 979-605= 659-567= 77-45= 641-353= 680-502= 637-631= 911-75= 569-366= 975-883= 995-775= 136+471= 345+427= 622+190= 437+270= 903-786= 81+519= 525-412= 736-675= 833-732= 961-600= 718-608= 188-14= 419+489= 811-796= 230-177= 275+421= 391+589= 252+6= 696+266= 397+455= 256+728= 726-501= 694-149= 651-615= 332+384= 361+331= 156-25= 878-128= 423+493= 867-387= 803-408= 707+220= 568-309= 59+583= 901-508= 407+320= 771-419= 443+286= 654+184= 829-10= 182+465= 715-594= 277+566= 630-341= 929-611= 214+739= 476-68= 459+339= 334+491= 313+478= 469+293= 202+764= 209-96= 179+686= 391+416= 910-284= 557-401= 435+481= 662-523= 380+480= 430+457= 792-234= 492+85= 74+273= 935-690= 380+475= 683-604= 476+451= 138+81= 469+412= 433-21= 321+416= 298+600= 718+174= 216+612= 797-338= 783-460= 750-253= 979-488= 834-776= 487-35= 220-3= 995-775= 985-807= 136+471= 345+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
22×4＋221 21×3＋410 40÷2＋174= = == = =
147＋72÷8 9×4＋420 2×80÷4= = == = =
120×5÷2 202＋36÷9 30÷5＋240= = == = =
81÷9＋877 921+7×4 66×5+774 = = == = =
80×6×2 770÷7+65 807＋20÷2= = == = =
100－50÷5 35－35÷7 302＋30×2 = = == = =
600×8÷3 40＋100÷5 434＋25×5= = == = =
60－12×3 64÷8＋456 660×4= = == = =
56÷7＋36÷6 500×(400－396) 72÷9－5= = =
564+264-453 7650-(546+4530) 65×9-450= = == = =
9×80+980 9000-(4500+250) 6700+72÷8= = == = =
14×6+9×5 900÷(71-68) 180÷9-42÷6= = == = =
12÷6＋45×3 8×(910-720) 760-540+1110= = == = =
6500+1250-3500 80×30+5600 9450-3200-4200= = == = =
2400÷6－45 800× 7－180 1600÷2＋230= = == = =
4000 ÷ 8 + 350 320÷8＋64 270 ÷ 3 ×9= = =
630 ÷ 9 + 320 2800+32× 6 300÷6×9 = = == = =
(6900-2400)÷ 5 （72÷9）÷(56÷8) 54 ÷ 9 ×8= = == = =
280× 4 ÷5 60×8+1570 60×(23-17) = = == = =
22×4＋221 21×3＋410 40÷2＋174= = == = =
147＋72÷8 9×4＋420 2×80÷4= = == = =
120×5÷2 202＋36÷9 30÷5＋240= = == = =
81÷9＋877 66×5+774 921+7×4
= = =
80×6×2 770÷7+65 807＋20÷2= = == = =
100－50÷5 35－35÷7 302＋30×2 = = == = =
600×8÷3 40＋100÷5 434＋25×5= = == = =
60－12×3 64÷8＋456 640＋60×4= = == = =
5×7－48÷6 42÷7＋36÷6 37×4＋19×8= = == = =
10×4－20÷4 15÷3＋10÷5 25÷5＋42÷6= = == = =
35÷5＋8×7 72÷9－36÷6 21×4－54÷9= = =
72÷8＋9×5 36÷4＋21×2 25÷5－16÷4= = == = =
56÷7＋36÷6 500×(400－396) 72÷9－5= = == = =
564+264-453 7650-(546+4530) 65×9-450= = == = =
9×80+980 9000-(4500+250) 6700+72÷8= = == = =
14×6+9×5 900÷(71-68) 180÷9-42÷6= = == = =
12÷6＋45×3 8×(910-720) 760-540+1110= = == = =
6500+1250-3500 80×30+5600 9450-3200-4200= = =
2400÷6－45 800× 7－180 1600÷2＋230= = == = =
4000 ÷ 8 + 350 320÷8＋64 270 ÷ 3 ×9= = == = =
630 ÷ 9 + 320 2800+32× 6 300÷6×9 = = == = =
(6900-2400)÷ 5 （72÷9）÷(56÷8) 54 ÷ 9 ×8= = == = =
280× 4 ÷5 60×8+1570 60×(23-17) = = == = =
960÷4×9 350÷5×9 450÷5+1250 = = == = =
(6900-2400)÷5 75÷15＋20×5 3090＋6×6= = =
(387－387)＋0 160－160÷80 750＋550÷5
= = = = = =(111＋189)×3 125×8÷100 6×250×0 = = == = =
(1＋7)×(16－6) 810×4÷4= 33÷11＋4×9= = == = =
187＋299－299 587+49-467 753-154×4= = == = =
2660＋26÷26 798-245×2 654-123×3= = == = =
153÷153+657 32÷(32÷16) 300－(300－222)= = == = =
75÷15＋20×5 （150－75）×（25－20）= = =
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