68×97= 50×34=< 909÷3=
36×45= 492÷8=< 751÷4=
分析:根據(jù)整數(shù)乘除法的豎式計算方法進(jìn)行解答即可.
解答:解:(1)68×97=6596;

(2)50×34=1700;

(3)909÷3=303;

(4)36×45=1620;

(5)492÷8=61…4;

(6)751÷4=187…3.
點(diǎn)評:此題考查了整數(shù)乘除法的豎式計算能力,注意乘除法的驗(yàn)算,特別是有余數(shù)的驗(yàn)算方法.
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