作者 |
標題: 難?不難? |
無名氏
IP Address:
[ 84.17.57.165 ] |
發表於: 2021/6/10 下午 01:42:45
25×25×2×4×2=?
|
Lopez
IP Address:
[ 1.161.224.58 ] |
回覆於: 2021/6/10 下午 03:38:28
=(25*4)*(25*2*2)=100*100
|
數學家
IP Address:
[ 2.58.242.132 ] |
回覆於: 2021/6/10 下午 09:33:43
可以 (25×25)(2×4×2)=625×16=10000
|
空無
IP Address:
[ 1.171.125.61 ] |
回覆於: 2021/6/11 上午 11:36:36
25×25×2×4×2= 5^2×5^2×2×2^2×2= 5^4×2^4=(5×2)^4= 10^4=10000
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