(1)98998999899998=(100-2)(1000-2)(10000-2)(10000-2)=10010001000010000-2-2-2-2=111100-8=111092(2)11271123=(11207)(11203)=11201120112031120773=12544001120(73)21=12544001120021=1265621 脱式计算 408-12×24
解方程6x-×6 = 118-2×( X ) = 55 4x 80 = 160 ÷X = -X = 3×( X 6 ) - = - =
五年级上册脱式计算解方程应用题脱式计算288÷[(26-14)×8]? 500×6-(50×2-80)?(105×12-635)÷25? 864÷[(27-23)×12]?(4538-16)×24? 500-(24038×6)?[6
22×4221 21×3410 40÷217414772÷8 9×4420 2×80÷4120×5÷2 20236÷9 30÷524081÷9877 66×5774 9217×480×
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脱式计算: 360÷[(126)×5] 288÷[(26-14)×8] 500×6-(50×2-80) (105×12-635)÷25 864÷[(27-23)×12] (4538-16)×24 500-(24038×6) [64-(87-42)] ×15 (845-15×3)÷1612×[(49-28)÷7] 450÷[(84-48] )÷12 (5837)÷(64-9×5) 95÷(64-45
脱式计算(60题)175-75÷25 6835×13 725-(125237)(114166)÷35 432÷(9×8) 189-6040 2163055 4723664 525×44102×99
-()--()------- -() -0.99 -() -(-)609-708306-108202-198497-100 141516……45469999999899979996 99999×2633333×2219175÷59678 ×-1÷ -9- 8××× 125×(8) 35 ÷〔78 -(25 38 )〕150 -(58 ) ××2×
45.55-(6.8215.55)34.52-17.87-12.236.43-(1.4-0.57)23.75-8.64-3.4617.83-9.5-7.83-0.55.3888.2-2.381.827.38-5.342.62-4.66 21.63-(8.59.63) 7.5-2.457.52.450.90.990.999 5.09-(0.091.23) 9.36-(4.36-3.5)60
三年级脱式计算题13212×37 25023×38 44013×36= = = == = = 19925×89 81949×90 41857×67=
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