[計量] A man buys 'W' kgs of dog food ...
2.A man buys ‘W’kgs of dog food once in a week and
‘x’kgs of the food is given to each dog twice a day.
Col A: Number of dogs
Col B: W/7x
答案是C, 只是在想為何不用除2
麻煩解答一下, 感恩!!
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◆ From: 114.42.138.143
※ 編輯: ablackturtle 來自: 114.42.138.143 (03/29 23:57)
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