2小学四年级数学简便计算题

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1、(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+2863065-738-1065138x25x4(13x125)x(3x8)(12+24+80)x50704x2525x32x12532x(25+125)88x125102x7658x98899+3442357—183—317—3572365-1

2、086-214497-2992370+19953999+4981883-39812x2575x24178x101-17884x36+64x8475x99+2x7583x102-83x298x199123x18-123x3+85x12350x(34x4)x325x(24+16)178x99+17879x42+79+79x577300^25-48100:4:7516800^12030100-210032000-40021500^12549700-7001248^243150-154800^252356

3、-(1356-721)1235-(1780-1665)75x27+19x2531x870+13x3104x(25x65+25x28)第一种(300+6)x1225x(4+8)125x(35+8)(13+24)x8第二种84x101504x2578x10225x204第三种99x6499x16638x99999x99第四种99X13+1325+199X2532X16+14X3278X4+78X3+78X3第五种125X32X825X32X12588X12572X125第六种3600-25-48100

4、-4-753000-125-81250-25-5第七种1200-624-762100-728-772273-73-27847-527-273第八种278+463+22+37732+580+2681034+780320+102425+14+186第九种214-(86+14)787-(87-29)365-(65+118)455-(155+230)第十种576-285+85825-657+57690-177+77755-287+87第十一种871-299157-99363-199968-599第十二种1

5、78X101-17883X102-83X217X23-23X735X127-35X16-11X35容易出错类型600-60-15（共五种类型）20X4-20X4736-35X2025X4-25X498-18X5+2556X8-56X8280-80-412X6-12X6175-75-2525X8-25X880-20X2+6036X9-36X936-36-6-625X8-(25X8)100+45-100+4515X97+3100+1-100+148X99+11000+8-1000+85+95X2810

6、2+1-102+165+35X1325+75-25+7540+360-20-1013+24X8672-36+64324-68+32100-36+6426X39+61X26356X9-56X999X55+5578X101-7852X76+47X76+76134X56-134+45X13448X52X2-4X4825X23X(40+4)999X999+1999184+98695+202864-199738-301380+476+120(569+468)+(432+131)704X25256-147-5

7、3373-129+29189-(89+74)28X4X25125X32X259X72X1257204-164-56304-42456-(256-36)102X3598X42158+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)221

8、4+638+2863065-738-1065899+3442357-183-317-3572365-1086-214497-2992370+19953999+4981883-39812X2575X24138X25X4(13X125)X(3X8)(12+24+80)X5025X32X12532X(25+125)88X125102X76178X101-17884X36+64X8475X99+2X7598X199123X18-123X3+85X12350X(34X4)X325X(24+1