小数点简便题

仲霞娜752小数简便计算题要小数乘小数的 -
养沫莺18547445319 ______[答案] 懒得去找资料了,就将记得的列几例给你吧..1)2.8*1.5=1.4*3=4.2这是一类比较直观的简便计算方法.2)3.6*3.4=12.24这是一类这一类的特点是:首位相同,末位合1(如果是整数就是合10)简便算法是:以3.6*3.4为例3*...

仲霞娜752五年级简算有小数点的计算题 -
养沫莺18547445319 ______[答案] 8.4*2.5+1.6*2.5 =2.5*(8.4+1.6) =2.5*10 =25

仲霞娜752小数的简便运算题 -
养沫莺18547445319 ______ 1,9.56+14.5+5.5=9.56+20=29.56 2,14.15+2.9+1.85=14.15+1.85+2.9=16+2.9=18.9 3,4.3+2.05+6.7+0.95=(4.3+6.7)+(2.05+0.95)=11+3=14 4,3.68+7.65-2.68=3.68-2.68+7.65=1+7.65=8.75 5,5.17-1.8-3.2=5.17-(1.8+3.2)=5.17-5=0.17 6,13.75-(3.75+6.48)=13.75-3.75-6.48=10-6.48=3.52

仲霞娜752小数简便运算练习题46.8—8.12+3.2 - 11.88 -
养沫莺18547445319 ______[答案] 46.8—8.12+3.2-11.88 =(46.8+3.2)-(8.12+11.88) =50-20 =30

仲霞娜752小数的简便计算【要有过程】①:0.75+1.8 - 2.033②:85.07 - {15.3 - 4.8}③:60 - {5.7 - 3.85+0.78}记住,是简便计算不要忘了(╰ - ╯)# -
养沫莺18547445319 ______[答案] 1,0.75+1.8-2.033 =2.55-2.033 =0.517 2,85.07-(15.3-4.8) =85.07-10.5 =74.57 3,60-(5.7-3.85+0.78) =60-(1.85+0.78) =60-2.63 =57.37 2,85.07-(15.3-4.8) =85.07-10.5 =74.57

仲霞娜752五年级关于小数乘法的简便计算50题 -
养沫莺18547445319 ______[答案] 1 1.25x32x2.52 3.2 *0.6+2.8*0.63 0.39x1994 3.65x10.15 0.85x9.96 12.9x99+12.97 7.09x10.8-0.8x7.098 5.4x11-5.4 9 0.65x10110 2.5x26+2.5x6+8 不好意思只有这么多了,抱歉啊

仲霞娜752求助;一道小数点的简便计算~2.5*0.6 - 1.8*0.5 -
养沫莺18547445319 ______[答案] 2.5*0.6-1.8*0.5 =0.5*3-0.5*1.8 =0.5*(3-1.8) =0.5*1.2 =0.6

仲霞娜752五年级十道小数的简便计算题.和小数乘法. -
养沫莺18547445319 ______ 6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1....

仲霞娜752四年级下册小数简便计算题有答案急急! -
养沫莺18547445319 ______ 0.35*1.6+0.35*3.4 0.25*8.6*4 6.72-3.28-1.72 0.45+6.37+4.55 5.4+6.9*3-(25-2.5)2*41846-620-380 4.8*46+4.8*54 0.8+0.8*2.5 1.25*3.6*8*2.5-12.5*2.4 28*12.5-12.5*20 23.65-(3.07+3.65) (4+0.4*0.25)8*7*1.25