早教吧作业答案频道 -->其他-->
计算下面各题.(能简便的要用简便方法计算)800-600÷2018×(537-488)35×18329-186-1425×37×4720÷16÷5.
题目详情
计算下面各题.(能简便的要用简便方法计算)
800-600÷20 18×(537-488) 35×18 800-600÷20 18×(537-488) 35×18 329-186-14 25×37×4 720÷16÷5. 329-186-14 25×37×4 720÷16÷5.
800-600÷20 | 18×(537-488) | 35×18 |
329-186-14 | 25×37×4 | 720÷16÷5. |
800-600÷20 | 18×(537-488) | 35×18 |
329-186-14 | 25×37×4 | 720÷16÷5. |
▼优质解答
答案和解析
(1)800-600÷20,
=800-30,
=770;
(2)18×(537-488),
=18×49,
=882;
(3)35×18,
=35×2×9,
=70×9,
=630;
(4)329-186-14,
=329-(186+14),
=329-200,
=129;
(5)25×37×4,
=(25×4)×37,
=100×37,
=3700;
(6)720÷16÷5,
=720÷(16×5),
=720÷80,
=9.
=800-30,
=770;
(2)18×(537-488),
=18×49,
=882;
(3)35×18,
=35×2×9,
=70×9,
=630;
(4)329-186-14,
=329-(186+14),
=329-200,
=129;
(5)25×37×4,
=(25×4)×37,
=100×37,
=3700;
(6)720÷16÷5,
=720÷(16×5),
=720÷80,
=9.
看了 计算下面各题.(能简便的要用...的网友还看了以下:
1)求出当a=-3、b=-2时,代数式a²-2ab+b²和(a-b)²的值.2)由1)可以猜想出什 2020-05-01 …
计算7/9*2/3-2/7 2020-05-21 …
小明把9*2+{}错算成9*2+{},他得到的结果与正确答案相差 2020-06-03 …
计算:√32+√9/2+(√3-√6)/√3+√-64的立方根 2020-06-06 …
计算(-9/2)的12次方乘以(-2/3)的12次方乘以(1/3)的14次方等于多少? 2020-06-30 …
根据算式9×2=18,和是的因数,是和的倍数. 2020-07-14 …
用简便方法计算49.9^2十9.98十0.1^2= 2020-07-21 …
2、细心算7/9—2/3+2/912/+1/3+1/415+3/8+4/54/7+2/9—4/71 2020-08-02 …
根号里的加法怎么算√(9+2√14)怎么算, 2020-11-06 …
用多项式分解下列因式,和简便方法计算49.9^2+9.98+0.1^2;99^2+199;这是简便计 2021-02-13 …