早教吧作业答案频道 -->数学-->
计算下面各题,怎样简便就怎样算.①1.29+3.7+0.71+6.3②19×96+962÷74③19×36-36×9④425÷25+575÷25.
题目详情
| 计算下面各题,怎样简便就怎样算. ①1.29+3.7+0.71+6.3 ②19×96+962÷74 ③19×36-36×9 ④425÷25+575÷25. |
①1.29+3.7+0.71+6.3
②19×96+962÷74
③19×36-36×9
④425÷25+575÷25.
①1.29+3.7+0.71+6.3
②19×96+962÷74
③19×36-36×9
④425÷25+575÷25.
①1.29+3.7+0.71+6.3
②19×96+962÷74
③19×36-36×9
④425÷25+575÷25.
①1.29+3.7+0.71+6.3
②19×96+962÷74
③19×36-36×9
④425÷25+575÷25.
▼优质解答
答案和解析
①1.29+3.7+0.71+6.3
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
②19×96+962÷74
=1824-13,
=1811;
③19×36-36×9
=(19-9)×36,
=10×36,
=360;
④425÷25+575÷25
=(425+575)÷25,
=1000÷25,
=40. ①1.29+3.7+0.71+6.3
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
②19×96+962÷74
=1824-13,
=1811;
③19×36-36×9
=(19-9)×36,
=10×36,
=360;
④425÷25+575÷25
=(425+575)÷25,
=1000÷25,
=40. ①1.29+3.7+0.71+6.3
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
②19×96+962÷74
=1824-13,
=1811;
③19×36-36×9
=(19-9)×36,
=10×36,
=360;
④425÷25+575÷25
=(425+575)÷25,
=1000÷25,
=40. ①1.29+3.7+0.71+6.3
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
②19×96+962÷74
=1824-13,
=1811;
③19×36-36×9
=(19-9)×36,
=10×36,
=360;
④425÷25+575÷25
=(425+575)÷25,
=1000÷25,
=40.
| ①1.29+3.7+0.71+6.3 =(1.29+0.71)+(3.7+6.3), =2+10, =12; ②19×96+962÷74 =1824-13, =1811; ③19×36-36×9 =(19-9)×36, =10×36, =360; ④425÷25+575÷25 =(425+575)÷25, =1000÷25, =40. |
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
②19×96+962÷74
=1824-13,
=1811;
③19×36-36×9
=(19-9)×36,
=10×36,
=360;
④425÷25+575÷25
=(425+575)÷25,
=1000÷25,
=40.
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
②19×96+962÷74
=1824-13,
=1811;
③19×36-36×9
=(19-9)×36,
=10×36,
=360;
④425÷25+575÷25
=(425+575)÷25,
=1000÷25,
=40.
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
②19×96+962÷74
=1824-13,
=1811;
③19×36-36×9
=(19-9)×36,
=10×36,
=360;
④425÷25+575÷25
=(425+575)÷25,
=1000÷25,
=40.
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
②19×96+962÷74
=1824-13,
=1811;
③19×36-36×9
=(19-9)×36,
=10×36,
=360;
④425÷25+575÷25
=(425+575)÷25,
=1000÷25,
=40.
看了 计算下面各题,怎样简便就怎样...的网友还看了以下:
数学比的应用,前后项,中间的是什么?比如说2:3,2是前项,3是后项,如果是2:3:4,2、3、4 2020-04-09 …
1.街道旁停了38两车,都是轿车和摩托车,这些车一共有100个车轮,轿车和两轮摩托车各有多少辆?2 2020-05-13 …
两筐苹果共重109千克,如果甲筐减少1/5,乙筐取走1千克,这时两筐的重量正好相等.甲,乙两筐苹果 2020-05-14 …
设各项均为正数的数列{an}和{bn}满足5^[an],5^[bn],5^[a(n+1)].设各项 2020-06-04 …
用简便方法计算下面各题1.18(1/3加5/9减1/6)2.3/8乘79/15乘24乘253用简便 2020-07-18 …
由下列各式:1>1/2,1+1/2+1/3>1有下列各式:1>1/2;1+1/2+1/3>1;1+1 2020-10-30 …
数学比的应用,前后项,中间的是什么?比如说2:3,2是前项,3是后项,如果是2:3:4,2、3、4各 2020-11-04 …
81宫格,1-9填入各排各列不能重复7*8*4***92*9**1****5**32*****2** 2020-12-26 …
5,5,5,1怎样算24除了3个5,1个1,用加减乘除,算24点,怎么算?5*(5-1/5)三个5, 2021-01-05 …
解方程怎么去分母?我知道方程两边同乘各分母的最小公倍数,但是后面还有什么步骤?例如2分之3x+1=1 2021-01-22 …