题目内容
544÷8= | 80×45= | *615÷4= |
*49×78= | 840÷8= | 85×34= |
解:544÷8=68;
68
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;
80×45=3600;
45
;
615÷4=153…3;
153
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;
验算:153
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;
49×78=3822;
49
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;
840÷8=105;
105
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;
85×34=2890;
85
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;
验算:
34
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.
分析:根据整数的乘除法的笔算方法即可计算解答.
点评:此题考查整数乘除法的笔算,属于基础题,细心计算即可解答.
68
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80×45=3600;
45
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615÷4=153…3;
153
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验算:153
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49×78=3822;
49
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840÷8=105;
105
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85×34=2890;
85
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验算:
34
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分析:根据整数的乘除法的笔算方法即可计算解答.
点评:此题考查整数乘除法的笔算,属于基础题,细心计算即可解答.
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