(32*72*25)\(9*8*5)
(32*72*25)\(9*8*5)
“1,-4,9,-16,25,-36”和“-2,8,-18,32,-50,72”的规律
观察下面两组数:1,-4,9,-16,25,-36,...-2,8,-18,32,-50,72,...(1)两组数各按什
观察下列两组数:(A)1,-4,9,-16,25,-36,.(B)-2,8,-18,32,-50,72,.
观察下面2组数:1,-4,9,-16,25,-36,.-2,8,-18,32,-50,72,.
观察下列计算过程:32-12=9-1=8,52-32=25-9=16,72-52=49-25=24,92-72=81-4
观察32=9=4+5则有32+42=52,52=25=12+13则有52+122=132,72=49=24+25则有72
急,找规律填数 1,2,3,5,10,25,25,50,125,{} {} {}?1,9,7,8,72,56,{ }{
1,-4,9,-16,25,-36.(1)-2,8,-18,32,-50,72(2)第一,这两组数各按什么规律排列(用含
问:找规律:1,-4,9,-16,25,-36,——,——.第2题:-2,8,-18,32,-50,72,——,——.
“1,-4,9,-16,25,-36 …”“-2,8,-18,32,-50,72…”每组第100个数的积用科学计数法表示
3,8,9,0,-25,-72,()是多少