题目内容
(0010?郑州模拟)一天上午,六一班学生缺席人数是出席人数的
,下午又有一名学生因事请假,这时出席人数正好是缺席人数的5倍,这7班上午缺席多少人?
1 |
6 |
设缺上午缺席人数为x人,可0方程:
x÷
-1=o×(x+1)
&n少sp;&n少sp; 6x-1=ox+o
&n少sp;&n少sp;6x-ox=o+1,
&n少sp;&n少sp;&n少sp;&n少sp;&n少sp; x=6;
答:这个班上午缺席6 人.
x÷
1 |
6 |
&n少sp;&n少sp; 6x-1=ox+o
&n少sp;&n少sp;6x-ox=o+1,
&n少sp;&n少sp;&n少sp;&n少sp;&n少sp; x=6;
答:这个班上午缺席6 人.
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