直接写出得数9800÷1400=0.375+78=0.56÷1%=0.35×7×2=3.8+0.62=3-34÷0.75=511×33=2×29÷2×29=0.53=236-98=
直接写出得数
| 9800÷1400= | 0.375+= | 0.56÷1%= | 0.35×7×2= | 3.8+0.62= |
| 3-÷0.75= | ×33= | 2×÷2×= | 0.53= | 236-98= |
直接写出得数
| 9800÷1400= | 0.375+= | 0.56÷1%= | 0.35×7×2= | 3.8+0.62= |
| 3-÷0.75= | ×33= | 2×÷2×= | 0.53= | 236-98= |
| 9800÷1400= | 0.375+= | 0.56÷1%= | 0.35×7×2= | 3.8+0.62= |
| 3-÷0.75= | ×33= | 2×÷2×= | 0.53= | 236-98= |
| 9800÷1400= | 0.375+= | 0.56÷1%= | 0.35×7×2= | 3.8+0.62= |
| 3-÷0.75= | ×33= | 2×÷2×= | 0.53= | 236-98= |
| 9800÷1400= | 0.375+= | 0.56÷1%= | 0.35×7×2= | 3.8+0.62= |
9800÷1400= | 0.375+= | =| 7 |
| 8 |
| 7 |
7 | | 8 |
8 | 0.56÷1%= | 0.35×7×2= | 3.8+0.62= | | 3-÷0.75= | ×33= | 2×÷2×= | 0.53= | 236-98= |
3-÷0.75= | ÷0.75=| 3 |
| 4 |
| 3 |
3 | | 4 |
4 | ×33= | ×33=| 5 |
| 11 |
| 5 |
5 | | 11 |
11 | 2×÷2×= | ÷2×=| 2 |
| 9 |
| 2 |
2 | | 9 |
9 | =| 2 |
| 9 |
| 2 |
2 | | 9 |
9 | 0.53= | 3236-98= |
答案和解析
| 9800÷1400=7 | 0.375+=1.25 | 0.56÷1%=56 | 0.35×7×2=4.9 | 3.8+0.62=4.42 |
| 3-÷0.75=2 | ×33=15 | 2×÷2×= | 0.53=0.125 | 236-98=138 |
| 9800÷1400=7 | 0.375+=1.25 | 0.56÷1%=56 | 0.35×7×2=4.9 | 3.8+0.62=4.42 |
| 3-÷0.75=2 | ×33=15 | 2×÷2×= | 0.53=0.125 | 236-98=138 |
| 9800÷1400=7 | 0.375+=1.25 | 0.56÷1%=56 | 0.35×7×2=4.9 | 3.8+0.62=4.42 |
9800÷1400=7 | 9800÷1400=7
0.375+=1.25 | 0.375+
=1.25| 7 |
| 8 |
| 7 |
7 | 7
| 8 |
8 | 8=1.25
0.56÷1%=56 | 0.56÷1%=56
0.35×7×2=4.9 | 0.35×7×2=4.9
3.8+0.62=4.42 | 3.8+0.62=4.42
| 3-÷0.75=2 | ×33=15 | 2×÷2×= | 0.53=0.125 | 236-98=138 |
3-÷0.75=2 | 3-
÷0.75=2| 3 |
| 4 |
| 3 |
3 | 3
| 4 |
4 | 4÷0.75=2
×33=15 | ×33=15| 5 |
| 11 |
| 5 |
5 | 5
| 11 |
11 | 11×33=15
2×÷2×= | 2×
÷2×=| 2 |
| 9 |
| 2 |
2 | 2
| 9 |
9 | 9÷2×
=| 2 |
| 9 |
| 2 |
2 | 2
| 9 |
9 | 9=
| 4 |
| 81 |
| 4 |
4 | 4
| 81 |
81 | 81
0.53=0.125 | 0.5
33=0.125
236-98=138 | 236-98=138
数列与分组1.在数列1/2,1/3,2/3.,1/4,2/4.,3/4/,1/5,…中,数47/9 2020-04-09 …
难题!可以证明,对任意的n属于N+,有(1+2+……+n)^2=1^3+2^3+……n^3成立,下 2020-05-14 …
观察下列等式：1^3=1^2,1^3+2^3=3^2,1^3+2^3+3^3=6^2,1^3+2^ 2020-05-15 …
将一组数字按如图2方式排列,若(m,n)表示第m排从左到右第n个数,则(5,4)表示的数是____ 2020-05-15 …
1+2+3+n=2分之1n(n+1),n是正整数,研究1*2+2*3+你(n+1),观察1*2=3 2020-05-20 …
求解答下面几道数学题!是有关数学归纳法的!谢谢在线等第一题：已知1^3+2^3+3^3+……+n^ 2020-06-06 …
计算下列各题：（1）3×(−2)−(−1)÷13×(−3)（2）-7×(−227)+26×(−22 2020-07-19 …
a^3+b^3+c^3-3abc=0=(a+b)^3+c^3-3a^2b-3ab^2-3abc,我 2020-07-31 …
(1)观察下列一组数据找出规律：1/2+1+1/2=2,1/3+2/3+1+2/3+1/3=3,1/ 2020-11-17 …
高手帮忙解决一道初2数学诡辩题2=3因为4-10=9-15，所以4-10+25/4=9-15+25/ 2020-12-23 …