小数简便计算题500道

阙蓉莲4474小数简便计算题要小数乘小数的 -
唐亚芬19198262598 ______[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*...

阙蓉莲4474数学小数计算题(出题)小数加法:25道小数减法:25道小数乘法:25道小数除法:25道小数简便计算:25道 -
唐亚芬19198262598 ______[答案] 5.6*2.9 3.77*1.8 0.02*96 5.22*0.3 9.99*0.02 4.67*0.9 5*2.44 1.666*6.1 9.432*0.002 5.6*6.5 4.88*2.9 5.61*4.3 8.9*2.4 5.5... 0.66÷0.3 11.97÷1.5 69.6÷2.9 38.4÷0.8 15÷0.06 (循环小数的用简便方法,除不尽保留2位小数): 8.2÷0.12 0.8÷0.9 76.4÷5....

阙蓉莲4474谁有小数加减混合计算题 150道1道你只有加 减每1到里只有加和减 要150道 -
唐亚芬19198262598 ______[答案] 我这有文档,你看看内容,想要的下回去口算0.38+1.64= 0.65+0.27= 1.5-0.9= 2.3-0.7=3-2.8= 3.2-2.4= 5.14-3.6= 2.41-1.6=44-9+62= 56+23-6= 19-8+21= 101*78=2.14-0.9= 0.5+7.6= 240÷48= 4200÷30=0.75-0.38= 396+99= 286+199= 1-0.2=20*35= ...

阙蓉莲4474小数混合运算要100道口算,10道混和运算,10道简便运算,5道竖式计算,急. -
唐亚芬19198262598 ______[答案] 1.120-36*4÷18+35 2.(58+37)÷(64-9*5) 3.(6.8-6.8*0.55)÷8.5 4.0.12* 4.8÷0.12*4.8 5.(3.2*1.5+2.5)÷1.6 (2)3.2*(1.5+2.5)÷1.6 6.6-1.6÷4= 5.38+7.85-5.37= 7.7.2÷0.8-1.2*5= 6-1.19*3-0...

阙蓉莲4474小数简便运算练习题46.8—8.12+3.2 - 11.88 -
唐亚芬19198262598 ______[答案] 46.8—8.12+3.2-11.88 =(46.8+3.2)-(8.12+11.88) =50-20 =30

阙蓉莲4474求500道小数加减法计算题~~~~急啊!~~~ -
唐亚芬19198262598 ______[答案] 3.2+1.8= 0.9+0.6= 0.1-0.01= 1.2-0.121-0.385= 3.2-2.3= 0.76-0.38 15-7.35-2.652.1+0.2= 0.3+0.7= 3.6+1.6= 7.5-0.5= 3.7-0.9= 2.13-0.02= 3.51+0.2= 10...

阙蓉莲4474小数加减法简便计算题 -
唐亚芬19198262598 ______ 16.7+19.9 37.85+39.58 68.5+56.3 78.61+32.5 38.98+68.35

阙蓉莲4474小数的简便运算7道有过程 -
唐亚芬19198262598 ______ 2.69-1.35+3.31-2.65 =(2.69+3.31)-(1.35+2.65) =6-4 =2 5.25+3.76-2.76+4.75 =(5.25+4.75)+(3.76-2.76) =10-1 =9 21.53-(13.64-8.47) =21.53-13.64+8.47 =(21.53+8.47)-13.64 =30-13.64 =16.36 0.99*0.81+0.11*9*0.19 =0.99*0.81+0.99*0.19 =0.99...

阙蓉莲4474小数的简便运算题 -
唐亚芬19198262598 ______ 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