早教吧作业答案频道 -->其他-->
按规律填数.(1)1,3,9,27,81,(2)1,4,9,16,,49,64(3)90,81,72,,54,45.
题目详情
按规律填数.
(1)1,3,9,27,81,______
(2)1,4,9,16,______,49,64
(3)90,81,72,______,54,45.
(1)1,3,9,27,81,______
(2)1,4,9,16,______,49,64
(3)90,81,72,______,54,45.
▼优质解答
答案和解析
(1)81×3=243;
(2)52=5×5=25;
(3)72-9=63.
故答案为:243,25,63.
(2)52=5×5=25;
(3)72-9=63.
故答案为:243,25,63.
看了按规律填数.(1)1,3,9,...的网友还看了以下:
1.8/9×15/36+1/272.12×5/6–2/9×33.7×5/49+3/1414.7×5 2020-04-07 …
六年级分数混合运算35道不要1.3/7×49/9-4/32.8/9×15/36+1/273.12× 2020-04-08 …
跪求下面九宫格数独答案**4***37*1**2*8***6***7***9*7*3*1*6*** 2020-05-21 …
注:/为几分之几1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/ 2020-06-13 …
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5 2020-07-19 …
有奖问答,0.8888×10.4-0.1111×3.2=?(36963-369.63)÷(2464 2020-07-19 …
用简便方法计算下面各题,急0.8888*10.4-0.1111*3.2(36963-369.63) 2020-07-24 …
0.8888x10.4-0.1111x3.2(36963-369.63)除以(24642-246. 2020-07-24 …
用简便方法计算下面各题,急0.8888*10.4-0.1111*3.2(36963-369.63) 2020-07-24 …
速算与巧算0.8888x10.4-0.1111x3.2(36963-369.63)除以(24642- 2020-12-09 …