早教吧作业答案频道 -->数学-->
怎样简便怎样算25.35+4.35+2.65-4.35136.8-(10.55+36.8)99×56+566.2+5.18+2.898×4.5+2×4.53.63-1.25+17.37-8.75.
题目详情
怎样简便怎样算
怎样简便怎样算
25.35+4.35+2.65-4.35 136.8-(10.55+36.8) 99×56+56 6.2+5.18+2.8 98×4.5+2×4.5 3.63-1.25+17.37-8.75. 25.35+4.35+2.65-4.35 136.8-(10.55+36.8) 99×56+56 25.35+4.35+2.65-4.35 136.8-(10.55+36.8) 99×56+56 6.2+5.18+2.8 98×4.5+2×4.5 3.63-1.25+17.37-8.75. 6.2+5.18+2.8 98×4.5+2×4.5 3.63-1.25+17.37-8.75.
25.35+4.35+2.65-4.35 | 136.8-(10.55+36.8) | 99×56+56 |
6.2+5.18+2.8 | 98×4.5+2×4.5 | 3.63-1.25+17.37-8.75. |
25.35+4.35+2.65-4.35 | 136.8-(10.55+36.8) | 99×56+56 |
6.2+5.18+2.8 | 98×4.5+2×4.5 | 3.63-1.25+17.37-8.75. |
25.35+4.35+2.65-4.35 | 136.8-(10.55+36.8) | 99×56+56 |
6.2+5.18+2.8 | 98×4.5+2×4.5 | 3.63-1.25+17.37-8.75. |
▼优质解答
答案和解析
(1)25.35+4.35+2.65-4.35
=(25.35+2.65)+(4.35-4.35)
=28+0
=28;
(2)136.8-(10.55+36.8)
=136.8-10.55-36.8
=136.8-36.8-10.55
=100-10.55
=89.45;
(3)99×56+56
=(99+1)×56
=100×56
=5600;
(4)6.2+5.18+2.8
=6.2+2.8+5.18
=9+5.18
=14.18;
(5)98×4.5+2×4.5
=(98+2)×4.5
=100×4.5
=450;
(6)3.63-1.25+17.37-8.75
=(3.63+17.37)-(1.25+8.75)
=21-10
=11.
=(25.35+2.65)+(4.35-4.35)
=28+0
=28;
(2)136.8-(10.55+36.8)
=136.8-10.55-36.8
=136.8-36.8-10.55
=100-10.55
=89.45;
(3)99×56+56
=(99+1)×56
=100×56
=5600;
(4)6.2+5.18+2.8
=6.2+2.8+5.18
=9+5.18
=14.18;
(5)98×4.5+2×4.5
=(98+2)×4.5
=100×4.5
=450;
(6)3.63-1.25+17.37-8.75
=(3.63+17.37)-(1.25+8.75)
=21-10
=11.
看了 怎样简便怎样算25.35+4...的网友还看了以下:
matlab指数函数拟合刚学matlab,完全不知道如何写程序,x=[10 12.5 15 17. 2020-05-16 …
关于用MATLAB拟合一组数据,得到函数的表达式我的数据是x=[9,11,13,15,17,19, 2020-05-16 …
请加速,我会+分,结果,正确25.63-(-291.7)+4.37+(-9.3)3又3/5-(-6 2020-05-23 …
直接写出得数.12÷34=8×50%=14×12=1720÷345=512×1219=66÷20% 2020-07-09 …
仔细观察,选择合适的方法计算.(1)63+24+37(2)65+42+44(3)18+36+72( 2020-07-19 …
我能算得又对又快.1-16=45÷9=900×2=25+35=340-70=40×5=37×0=9 2020-07-19 …
一个样本含有20个数据:35,31,33,35,37,39,35,38,40,39,36,34,3 2020-07-30 …
除一外的所有奇数按1个2个3个4个,循环组(3)(5,7)(9,11,13)6.除1外的所有奇数按 2020-08-02 …
lingo中的error12报错,为什么,程序如下model:sets:WH/W1..W6/:AL; 2020-10-31 …
找数字间的规律.3,2,5/3,3/2,()-1,0,1,2,9,()8,8,12,24,60,() 2020-11-06 …