精选优质文档----倾情为你奉上四年级脱式计算题大全[模版仅供参考,切勿通篇使用] 情书大全篇1:小学四年级脱式计算题100道 45 24012 124 78 22 100-35-25 (140-70)54 63 84242 4907 245266-110 345 99 (46-20)30-9025274 157 857 (40-4)2512564 240080-142 108-(83+36060)(420+48)(375-345) 290-(343 99) 142-549 14 24016 75425407-99 1676-766 9953 53 720362 10335 450-2(16+9)245-(45 39) 2825 473 59 27 1 9899 125(84)5 4125-2588125 420(205-198)4 540254460(29-183) 72036 (960-400)70篇2:小学四年级数学脱式计算技巧 王老师发现不少四年级的同学脱式简便计算能力都不是很好,因此今天要给同学们讲解一下脱式简便计算怎么做脱式计算即递等式计算,把计算过程完整写出来的运算,也就是脱离横式的计算。
在计算混合运算时,通常是一步计算一个算式(逐步计算,等号不能写在原式上),要写出每一步的过程一般来说,等号要往前,不与第一行对齐也就是离开原式计算脱字念tuo)主要掌握的是记住要先算乘、除法,后算加、减法在乘除法连续计算时中,要按从左往右的顺序依次计算遇到括号,要首先计算括号内部在脱式过程中要按运算顺序划出运算顺序线,还要做到“三核对”,一要核对从书上把题抄到作业本上数字、符号是否抄对二要核对从横式抄到草稿竖式的数字、符号是否抄对三要核对把草稿竖式上的得数,抄到横式上是否抄对,小数点是否点对地方,有无遗漏如何脱式计算?主要掌握的是记住要先算乘、除法,后算加、减法在乘除法连继计算时中,要按从左往右的顺序依次计算遇到括号,要首先计算括号内部在脱式过程中要按运算顺序划出运算顺序线,还要做到“三核对”,一要核对从书上把题抄到作业本上数字、符号是否抄对二要核对从横式抄到草稿竖式的数字、符号是否抄对三要核对把草稿竖式上的得数,抄到横式上是否抄对,小数点是否点对地方,有无遗漏脱式计算100题,拿出本子练一练:(后附答案)+156= 58= 524=3+8=4+205= +123+20=7.(8020+80)4=+(100-105)=40= 20= = +45=2= 6= 6= 9= 20= 4= = +70=8= 6+20=7= +603=+182= 5= +7-29= 80=16= 25= 11= 25=+70= 94= 3= =50= 8=11= 25==+80= 85= 200= +202= 5= +8-40= 40= 14 = 24 = 14 = 13 = 15 = 24 = 25 = 16 = 21 = 14 = 13 = 15 =24 = 17 = 15 = 16 = 26 = 17 = 40 = 20 = 4 = 40 = 4 = 60= 2 = 4 = 5 = 8 = 4 = 6 = +80 = = 80 =80 = 16 = 24 = 5= 250= 518= 76= 10=6= 3=18= 4=15=30=15= 12= 30= 50=700=脱式计算100题答案:+156= 13558=400524=603+8=984+205= 200+123+20=347.(8020+80)4=21+(100-105)=12040= 920= 800= 55+45=1152= 1806= 966= 18009=6020= 6004= 100= 270+70=2308= 106+20=277= 5+603=100+182= 505= 20+7-29= 2080=7016= 40025= 300011= 39625=41+70= 40694= 9003= 101=20xx50= 6008= 20011= 25325=5=2000+80= 30085= 800200=0+202= 305= 30+8-40= 440=7014 = 724 = 414 =413 = 515 = 524 =525 = 816 = 5021 =4014 = 4013 = 3015 =4024 = 317 = 515 =616 = 626 = 417 =340 = 220 = 54 =2540 = 64 = 23060=52 = 324 = 165 =108 = 4 = 246 =15+80 = 480 = 32080 =320080 = 516 = 324 =45= 800250= 1000518= 076= 76010=3606= 903= 7218= 904= 7415=10530= 96015= 60012= 72030= 69050=1500700=3500篇3:五年级上脱式计算题有答案急!带过程 408-1224 = 408 - 288 = 120 (46+28)60 = 74 x 60 = 4440 4250-17 = 2100- 17 = 2083 32+1055 = 32 + 21 = 53 420(327-238) = 420 x 89 = 37380 (4121+2389)7 = 6510 7 = 930 (35) = = [(10-)] = x() = x = = = = x x = x = ++1 = +1 = [14-(+)] = (14 - ) = = 10 [60-(+)] = (60- ) = = 120 - = - = - = 20[(-)+] = 20x ( +)= 20x( +) = 20 = 35 28-(+) = 28 - ( + 3) = 28 - = + = ( + ) = 5 = 〔(+)〕 = x ( - 9) = x = (+4)5 = ( + )5 = 5 = 4(6+3) = 126 9 = 14 2+2 = + = 194- = 194 -36 = = @@@ 5180-7056 = 5180 - 4230=950 24- =10 -2=8 405(3213-3189) =405x24 = 9720 125(97-81) =125x16 =2000 6942+4803 = 6942 + 160 = 6782 20+804-20 = 20 + 20 -20 = 40 -20 = 20 100(32-30)0 = 100 2 x0= 50 x0 = 0 254-125 = 100 - 60 = 40 70〔(42-42)18〕=70 x (018) = 70x0 = 0 7565+7535 = 75 x (65 +35) = 75x100 = 7500 4= 6- = += - = 5=9 - 6 =3 = - = 6- ( + ) = 6-4 = 2 (4)= x( - )= x0 = 0 + = ( + ) = 1 x = = - - = -( + )= - 10 = ()+ = x + x = ( +) = 10 x = (6+) = - (6+) = - x = - = (136+64)(65-34523)= 200x(65-15) = 200x 50=10000 第 5 页。