3.5×2÷3.5×2=l．
×
×
．（判斷對錯，對的打“√”，錯的打“×”）
分析：要想知道此題的對錯，應(yīng)求出算是的結(jié)果，再進行比較判斷．在計算時，應(yīng)按運算順序，從左往右依次運算．
解答：解：3.5×2÷3.5×2，
=7÷3.5×2，
=2×2，
=4；
故答案為：×．
點評：此題錯誤的原因在于沒有按運算順序進行計算．
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