158+262+138375+219+381+2255001-247-1021-232(181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065899+3442357-183-317-3572365-1086-214497-2992370+19953999+4981883-39812×2575×24138×25×4(13×125)×(3×8)(12+24+80)×50704×2525×32×12532×(25+125)88×125102×7658×98178×101-17884×36+64×8475×99+2×7583×102-83×298×199123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷7516800÷12030100÷210032000÷40021500÷12549700÷7001248÷243150÷154800÷252356-(1356-721)1235-(1780-1665)75×27+27×2531×87+13×314×(25×65+25×28)(300+6)x12 25x(4+8)125x(35+8)(13+24)x8 84x101504x2578x10225x204 99x6499x16638x99999x99 99X13+1325+199X2532X16+14X3278X4+78X3+78X3 125X32X825X32X12588X12572X125 3600÷25÷48100÷4÷753000÷125÷81250÷25÷5 1200-624-762100-728-772273-73-27847-527-273 278+463+22+37732+580+2681034++102425+14+186 214-(86+14)787-(87-29)365-(65+118)455-(155+230) 576-285+85825-657+57690-177+77755-287+87 871-299157-99363-199968-599178X101-17883X102-83X217X23-23X735X127-35X16-11X35容易出错类型(共五种类型) 600-60÷15 20X4÷20X4736-35X20 25X4÷25X4 98-18X5+25 56X8÷56X280-80÷4 12X6÷12X6175-75÷25 25X8÷25X880-20X2+60 36X9÷36X936-36÷6-6 25X8÷(25X8)100+45-100+45 15X97+3100+1-100+1 48X99+11000+8-1000+8
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