早教吧作业答案频道 -->其他-->
口算.(1)7.2+2.08=(2)13+14=(3)710÷12=(4)0÷0.99=(5)32×0.125=(6)0.75×3÷34=(7)15+3.2÷16×4=(8)12-12×12=(9)0.8÷0.01=(10)10×13-1÷3=(11)8.4÷0.7=(12)23×5÷23×5(13)0.23=
题目详情
口算.
(1)7.2+2.08=
(2)
+
=
(3)
÷
=
(4)0÷0.99=
(5)32×0.125=
(6)0.75×3÷
=
(7)
+3.2÷16×4=
(8)
-
×
=
(9)0.8÷0.01=
(10)10×
-1÷3=
(11)8.4÷0.7=
(12)
×5÷
×5
(13)0.23=
(1)7.2+2.08=
(2)
| 1 |
| 3 |
| 1 |
| 4 |
(3)
| 7 |
| 10 |
| 1 |
| 2 |
(4)0÷0.99=
(5)32×0.125=
(6)0.75×3÷
| 3 |
| 4 |
(7)
| 1 |
| 5 |
(8)
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
(9)0.8÷0.01=
(10)10×
| 1 |
| 3 |
(11)8.4÷0.7=
(12)
| 2 |
| 3 |
| 2 |
| 3 |
(13)0.23=
▼优质解答
答案和解析
(1)7.2+2.08=9.28,
(2)
+
=
,
(3)
÷
=1
,
(4)0÷0.99=0,
(5)32×0.125=4,
(6)0.75×3÷
=3,
(7)
+3.2÷16×4=1,
(8)
-
×
=
,
(9)0.8÷0.01=80,
(10)10×
-1÷3=3,
(11)8.4÷0.7=12
(12)
×5÷
×5=25,
(13)0.23=0.008.
(2)
| 1 |
| 3 |
| 1 |
| 4 |
| 7 |
| 12 |
(3)
| 7 |
| 10 |
| 1 |
| 2 |
| 2 |
| 5 |
(4)0÷0.99=0,
(5)32×0.125=4,
(6)0.75×3÷
| 3 |
| 4 |
(7)
| 1 |
| 5 |
(8)
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 4 |
(9)0.8÷0.01=80,
(10)10×
| 1 |
| 3 |
(11)8.4÷0.7=12
(12)
| 2 |
| 3 |
| 2 |
| 3 |
(13)0.23=0.008.
看了 口算.(1)7.2+2.08...的网友还看了以下:
观察下列各式:1+2+3=6=3×2,2+3+4=9=3×3,3+4+5=12=3×4,4+4+6= 2020-03-31 …
如果2/1△3=2/1×3/2×4/3,5/4△4=5/3×6/4×7/5×8/6那么5/2△5+ 2020-04-27 …
1/2×2/6×3/2×4/6×5/2×6/6×7/2×...×99/2×100/6的结果正好是个 2020-05-13 …
在极坐标系中,做出下列各点(1)A(2.6分之π)B(6,-120°)C(1,3分之π)D(4,- 2020-05-17 …
有理数的!1.(-6.91)*40+6.91*(-60)2.6.3*(-1/9)*(-3右4/7) 2020-06-11 …
数字推理1)3,4,6,12,36()2)-2,-1,1,5,(),293)215,124,63, 2020-07-17 …
根式计算化简1、(1/x^2-3x+2)+(1/x^2-x)+(1/x^2+x)+(1/x^2+3 2020-07-30 …
设非空集合A{1,2,3,4,5,6,7},且当a∈A时必有8-a∈A,这样的A共有(15)个.{ 2020-08-01 …
1.如果a是2008的算数平方根,那么100分之2008的平方根是?2.寻找规律:0,根号3,根号 2020-08-03 …
设非空集合A{1,2,3,4,5,6,7},且当a∈A时必有8-a∈A,这样的A共有(15)个.{4 2020-12-07 …