早教吧作业答案频道 -->其他-->
用简便方法计算下面各题:25+96+35+4;4×13×25×5;25×32×15;918-233-167-518;38×14+162×14;7000÷25÷4.
题目详情
用简便方法计算下面各题:
25+96+35+4;
4×13×25×5;
25×32×15;
918-233-167-518;
38×14+162×14;
7000÷25÷4.
25+96+35+4;
4×13×25×5;
25×32×15;
918-233-167-518;
38×14+162×14;
7000÷25÷4.
▼优质解答
答案和解析
(1)25+96+35+4,
=(25+35)+(96+4),
=60+100,
=160;
(2)4×13×25×5,
=4×25×(13×5),
=100×65,
=6500;
(3)25×32×15,
=25×4×8×15,
=25×4×(8×15),
=100×120,
=12000;
(4)918-233-167-518
=918-518-(233+167),
=400-400,
=0;
(5)38×14+162×14
=(38+162)×14,
=200×14,
=2800;
(6)7000÷25÷4
=7000÷(25×4),
=7000÷100,
=70.
=(25+35)+(96+4),
=60+100,
=160;
(2)4×13×25×5,
=4×25×(13×5),
=100×65,
=6500;
(3)25×32×15,
=25×4×8×15,
=25×4×(8×15),
=100×120,
=12000;
(4)918-233-167-518
=918-518-(233+167),
=400-400,
=0;
(5)38×14+162×14
=(38+162)×14,
=200×14,
=2800;
(6)7000÷25÷4
=7000÷(25×4),
=7000÷100,
=70.
看了 用简便方法计算下面各题:25...的网友还看了以下:
用递等式计算.(写出必要的计算过程,能简便计算的用简便方法计算)7.9×12.525.38-1.4 2020-04-07 …
1、用简直便算法计算下面各题。2/9-7/16×2/9。2/5×4×3/4。5/7×16×211、 2020-06-11 …
巧算:8.7*9.9.((4.8*7.5*8.1)÷((2.4*2.5*2.7).简算::4.巧算 2020-06-11 …
9+2~9+98+3~8+9.7+4~7+9.6+5~6+9凑十法计算,该怎么算啊,9+2~9+9 2020-06-20 …
小军认为算式35÷7=(35÷4)÷(7÷4)是成立的,可小华不同意小军的看法,小华认为“35÷4 2020-07-17 …
用递等式计算.(能简算的要用简便方法算)3.05×1047.2×101-7.236.6-6.6÷0 2020-07-19 …
8/15+2/3-3/4(/代表分数线)(2/3+2/15)×45(4/5+1/4)除以7/3+7 2020-07-19 …
数学计算题!高手进来玩玩1.计算5/11x(-2/9x(-21/5)x(-41/2)(约分简便运算) 2020-10-31 …
4.8×7.5+7.5×5.2可以运用()进行简便运算A.乘法交换律B.乘法结合律4.8×7.5+7 2020-11-27 …
皮皮在做一道行如()+0.7*4的计算题,但他先做加法拉乐乐再一旁说,你这样算出来的得数比正确的要大 2020-11-30 …