六年级上册人教版练习册数学广角第四题的第1小题咋做?
问题描述：
六年级上册人教版练习册数学广角第四题的第1小题咋做?
.......................................................................................................................................................................................................................................................半小时之内...........................................................................................半小时之内............................................................................................................................................................................................................
答
设他答对了X题,则答错了（8-X）题.
10X-6（8-X）=64
10X+6X =64+48
16x=112
X=112÷16
x=7 8-7=1（题）