627 97 106 56 41 35 33 1 3 24
627 97 106 56 41 35 33 1 3 24
1/3+13/15+33/35+61/63+97/99的简便方法
跳绳次数入下19,23,26,29,28,3,2,34,35,41,33,31,25,27,31,36,37,24,31
感激不尽、、1、(-5)-(-7)+(-8)-(+6)2、(-35)÷(-7)-56×(-1/2)^33、-10^2-3
42+41+40-39-38-37+36+35+35+34-33-32-31……+6+5+4-3-2-1
18,24,26,29,28,32,34,35,41,33,31,27,31,36,37,24,31,29,30
简算:73*64+73*35+73,124*49-24*49.计算:1+3+5+……+95+97+99
找一找,填一填 1 4 7 10 14 15 21 24 28 30 33 35 38 42 45 49 52 56 5
11,13,27,37,41,56,61,83,95,33,47,52,87,89,91,93,97,95,那些是质数?
93 16 24 29 31 33 49 71 91 41 17 23 34 56 51 89 69 43 22 19
那1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 4
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43