简便计算必练100题

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简便计算必练100题

来源：baiyundou.net 日期：2024-07-06

四年级数学寒假计算能力训练(竖式、脱式、简便)，都是提前练

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任影帖743我要分数加减法的简便运算题100道,包括混合运算、简算,分数方程.(简单点儿的)算式中不能带有小数或整数,两个加号,三个数(分数+分数+分数=分... -
栾乖姚19831242882 ______[答案] 简便: 1、十一分之五+七分之二+十一分之六+七分之五 2、八分之九-十二分之七-十二分之五 3、四分之一+十七分之五-十七分之二 4、十五分之十四-(十五分之七-十六分之七) 5、十二分之七+十八分之十一+十二分之一+十八分之七 6、二十分之...

任影帖743二十道简便算法 -
栾乖姚19831242882 ______ (1)101*99 =(100+1)*99 =100*99+99 =9999 (2)14*35 =7*2*35 =7*70 =490 (3)25*28 =25*4*7 =100*7 =700 (4)4*9*25 =4*25*9 =100*9 =900 (5)43*5*4 =43*20 =860 (6)15*12 =15*2*6 =30*6 =180 (7)12*(40-5) =12*40-12*5 =480-60 =420 (8)...

任影帖743简便计算练习题第一题6乘以百分之99加0.06 第2题20分之19乘以21 第3题33333乘以66666 第4题73除以0.8除1.2把过程和答案写出来就可以了希望今天可以... -
栾乖姚19831242882 ______[答案] 第一题:6*99%+0.06=6*0.99+0.06=0.06*99+0.06=0.06*(99+1)=6 第二题:(19/20)*21=(20-1)*(20+1)/20=(400-1)/20=19.95 第三题:33333*66666=3*11111*11111*6=18*11111平方=2222177778 第四题:73/0.8*1.2=73/(4/5)*(6/5)=73*(5/4)*(6/5)=...

任影帖743简便运算题 -
栾乖姚19831242882 ______ 解:第一题: 201120.11÷2.011*201.1 =201120.11*(201.1÷2.011) =201120.11*100 =20112011 第二题: 2²*3²*4²*5²*6²*7²*8²*9² =(2*3*4*5*6*7*8*9)² =362880² 第三题: 25*72+750*2.4 =25*72+25*30*2.4 =25*72+25*72 =25*72*2 =50*72 =3600

任影帖743简便运算练习题
栾乖姚19831242882 ______ 0.87*0.25+0.087*7.5=0.87*0.25+0.87*0.75=0.87*(0.25+0.75)=0.87*1=0.87

任影帖743简便运算题~~~~~~ -
栾乖姚19831242882 ______ 124*38+65*124+76*100+76*73 =124*(38+65)+76*(100+73) =124*103+76*173 =124*103+76*(103+70) =(124+76)*103+76*70 =200*103+76*70 =20600+5320 =25920 11÷3+4÷3 =(11-4)÷3 =7÷3 =7/3

任影帖743谁有小学四年级的简便运算归类练习题 -
栾乖姚19831242882 ______[答案] 四年级下册简便计算归类总结简便计算第一种第二种84x101 (300+6)x12 504x25 25x(4+8)78x102 125x(35+8)25x204 (13+24)x8第三种第四种99x64 99X13+1399x16 25+199X25638x9932X16+14X32999x99 78X4+78X3+78X3第五...

任影帖743谁能给我50道简便计算的题? -
栾乖姚19831242882 ______ http://www.yangteacher.com/Html/20078513286-1.Html 1、用简便方法计算 585+189+215 248+146+154 768-274-126 5.85+1.89+2.15 24.8+14.6+15.4 5.85-1.75-0.25 2、火眼金睛辩对错 (1)12.45-1.35-0.65 =12.45-(1.35+0.65) =12.45-2 =10....

任影帖743给一点小学简便运算的题目,求! -
栾乖姚19831242882 ______ 1、100-(32+540÷18) =100-(32+540÷9÷2) =100-(32+60÷2) =100-(32+30) =100-30-32 =38 2、480+325+75 =480+(325+75) =480+400 =880 3、295-128-72 =295+(128+72) =295+200 =495 4、43*25*4 =43*(25*4) =43*100 =4300 5、102*43 =(100+2)*43 =100*43+2*43 =4300+86 =4386 6、9*37+9*63 =9*(63+37) =9*100 =900 这些都是四年级的简便运算题,希望有用

任影帖743六年级简便计算题:25 - 25*一百分之九十九简便算法 -
栾乖姚19831242882 ______[答案] 25-25X(99/100) =25X(1-99/100) =25X(1/100) =1/4

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