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正解は・・
(イ)の0
=IF(A1=1,0,-1)は「もしA1が1だったら0、そうでなければ-1」の意味。
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Fatal error: Uncaught Error: Call to undefined function split() in /home/mot/rericca.com/public_html/m/ea03.php:59
Stack trace:
#0 /home/mot/rericca.com/public_html/m/ea03.php(87): google_append_color('http://pagead2....', 'color_border')
#1 /home/mot/rericca.com/public_html/m/ea03.php(101): google_get_ad_url()
#2 {main}
thrown in /home/mot/rericca.com/public_html/m/ea03.php on line 59