36÷(3+6)=36÷3+36÷6
錯(cuò)誤
分析:此題錯(cuò)誤的原因在于沒(méi)有很好掌握除法的運(yùn)算性質(zhì),除法的運(yùn)算性質(zhì)用字母表示為(a+b)÷c=a÷c+b÷c,因此36÷(3+6)不屬于(a+b)÷c的形式,故不能用除法的性質(zhì)簡(jiǎn)算.
解答:36÷(3+6)=36÷12=3,
而36÷3+36÷6=12+6=18,
因此36÷(3+6)≠36÷3+36÷6;
故答案為:×.
點(diǎn)評(píng):此題考查了學(xué)生對(duì)除法運(yùn)算性質(zhì)的熟練掌握情況.
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