甲数比乙数多四分之三,甲数是乙数的百分之几?
1x（1+3/4）x100%=1x1.75x100%
=175%
答：甲数是乙数的百分之175 .
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绛旓細涔=12梅3/4=16 鐢=16+12=28
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绛旓細鐢叉暟姣斾箼鏁板3/4锛屼箼鏁灏辨瘮鐢叉暟灏3/4銆 (閿欒)鐢叉暟=涔欐暟+涔欐暟X(3/4)=涔欐暟X锛7/4)涔欐暟=鐢叉暟X(4/7)锛堢敳鏁-涔欐暟锛壝风敳鏁=3/7 鎵浠ワ紝涔欐暟姣旂敳鏁板皯7鍒嗕箣3銆
绛旓細鐢叉暟姣斾箼鏁板鍥涘垎涔嬩笁锛屼箼鏁灏辨瘮鐢叉暟灏戝洓鍒嗕箣涓 鏄敊鐨勩備箼鏁板氨姣旂敳鏁板皯锛3/7锛夎В鎶婁箼鏁扮湅鍋氬崟浣1锛岀敳鏁=1+3/4=7/4 3/4梅7/4=3/7
