-.z.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+19×2531×870+13×3104×(25×65+25×28)簡便計(jì)算練習(xí)題5得分容易出錯類型〔共五種類型〕

600-60÷15

20*4÷20*4736-35*20

25*4÷25*4

98-18*5+25

56*8÷56*8280-80÷4

12*6÷12*6

175-75÷25

25*8÷25*880-20*2+60

36*9÷36*9

36-36÷6-6

25*8÷〔25*8〕100+45-100+45

15*97+3

100+1-100+1

48*99+11000+8-1000+8

5+95*28

102+1-102+1

65+35*1325+75-25+75

40+360÷20-10

13+24*8672-36+64324-68+32100-36+64簡便計(jì)算練習(xí)題6得分26×39＋61×26356×9－56×999×55＋5578×101－7852×76＋47×76＋76134×56－134＋45×134

48×52×2－4×4825×23×〔40＋4〕999×999＋1999184＋98695＋202864－199738－301

380＋476＋120〔569＋468〕＋〔432＋131〕704×25

256－147－53373－129＋29189－〔89＋74〕

28×4×25125×32×259×72×125

簡便計(jì)算練習(xí)題7得分720÷16÷5630÷42456－〔256－36〕

102×3598×42158+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+1995簡便計(jì)算練習(xí)題8得分3999+4981883－39812×2575×24138×25×4(13×125)×(3×8)(12+24+80)×5025×32×12532×(25+125)88×125102×76178×101－17884×36+64×8475×99+2×7598×199123×18－123×3+85×12350×(34×4)×325×〔24+16〕178×99+17879×42+79+79×577300÷25÷48100÷4÷75158+262+138簡便計(jì)算練習(xí)題9得分1248÷243150÷154800÷2521500÷125

375+219+381+2255001－247－1021－232〔181+2564〕+2719

378+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+344

2357－183－317－3572365－1086－214497－299

2370+19953999+4981883－398簡便計(jì)算練習(xí)題10得分12×2575×24138×25×4(13×125)×(3×8)

(12+24+80)×50704×2525×32×12532×(25+125)

88×125102×7658×98178×101－17884×36+64×8475×99+2×7583×102－83×298×199

123×18－123×3+85×12350×(34×4)×325×〔24+16〕178×99+17879×42+79+79×5721500÷125

7300÷25÷48100÷4÷7516800÷120簡便計(jì)算練習(xí)題11得分〔a＋b〕＋c=a＋〔b＋c)

2.73＋0.89＋1.274.37＋0.28＋1.63＋5.72

a－b－c=a－〔b＋c〕

10－0.432－2.5689.3－5.26－2.74

14.9－〔5.2＋4.9〕18.32－5.47－4.32〔a×b〕×c=a×〔b×c〕

25×6.8×0.040.25×32×0.1256.4×1.25×12.5

c×〔a+b〕=c×a＋c×b

0.45×2010.58×10.150.2×994.7×9.9簡便計(jì)算練習(xí)題12得分3.28×5.7＋6.72×5.72.1×99＋2.1

23×0.1＋2.3×9.90.18＋4.26－0.18＋4.260.58×1.3÷0.58×1.37.3÷4＋2.7×0.253.75×0.5－2.75÷25.26×0.125＋2.74÷8a÷b÷c=a÷〔b×c〕6.3÷1.89.5÷〔1.9×8〕12.8÷〔0.4×1.6〕930÷0.6÷563.4÷2.5÷0.4〔7.7＋1.54〕÷0.7簡便計(jì)算練習(xí)題13得分

6.9＋4.8＋3.115.89＋(6.75－5.89)7.85＋2.34－0.85＋4.6635.6－1.8－15.6－7.213.75－(3.75＋6.48)47.8－7.45+2.55

66.86－8.66－1.340.25×16.2×40.2