早教吧作业答案频道 -->数学-->
按照指定的步数计算下面各题.459×(76-50)==(105×12-635)÷25===864÷[(27-23)×12]===987÷(345-298)×65==240-240÷20×5==408÷[827-(324+452)]===
题目详情
按照指定的步数计算下面各题.
459×(76-50)
=
=
(105×12-635)÷25
=
=
=
864÷[(27-23)×12]
=
=
=
987÷(345-298)×65
=
=
240-240÷20×5
=
=
408÷[827-(324+452)]
=
=
=
459×(76-50)
=
=
(105×12-635)÷25
=
=
=
864÷[(27-23)×12]
=
=
=
987÷(345-298)×65
=
=
240-240÷20×5
=
=
408÷[827-(324+452)]
=
=
=
▼优质解答
答案和解析
(1)459×(76-50)
=459×26
=11934
(2)(105×12-635)÷25
=(1260-635)÷25
=625÷25
=25
(3)864÷[(27-23)×12]
=864÷[4×12]
=864÷48
=18
(4)987÷(345-298)×65
=987÷47×65
=21×65
=1365
(5)240-240÷20×5
=240-12×5
=240-60
=180
(6)408÷[827-(324+452)]
=408÷[827-776]
=408÷51
=8
=459×26
=11934
(2)(105×12-635)÷25
=(1260-635)÷25
=625÷25
=25
(3)864÷[(27-23)×12]
=864÷[4×12]
=864÷48
=18
(4)987÷(345-298)×65
=987÷47×65
=21×65
=1365
(5)240-240÷20×5
=240-12×5
=240-60
=180
(6)408÷[827-(324+452)]
=408÷[827-776]
=408÷51
=8
看了 按照指定的步数计算下面各题....的网友还看了以下:
比827少239的数是,比538多87的数是. 2020-04-07 …
函数y=-3sin(12x+π4)的周期,振幅,初相分别是()A.π4,3,π4B.4π,-3,- 2020-05-13 …
已知数列{1,2,2,3,3,3,4,4,4,4,5,…}的首项是1,随后两项都是2,接下来3项都 2020-05-16 …
一个非常脑残的问题 高二数学 y=X²+5/根号(X²+4)的最小值y=(x²+5)/√(x²+5 2020-05-16 …
若函数f(x)=e^x.sinx,则此图像在点(4,f(4))处的切线的倾斜角为f(x)=e^x. 2020-05-16 …
4.7UF的电容和下面那个相等.()A.4.7*105B.4.7*106C.4.7*107D.4. 2020-05-20 …
105*4()298*8()41*32()49*102()201*31()302*9()151*2 2020-06-10 …
1.求数列11,103,1005,10007.前n项和2.求数列1/1.5,1/3.7,1/5.9 2020-06-12 …
375-298的简便算法,要列梯等式.还有,296X25、41X99+41、2365-(307+3 2020-06-14 …
A商场购物满100元减50,B商场全场6折,妈妈要买一件298的羊毛衫,在哪家商场买合算?(同一品 2020-06-22 …