解法一:(85+3)×4-85×3,
=88×4-255,
=352-255,
=97(分);
答:小青数学考了97分.
方法二:
设小青数学考了x分,由题意得:
(85×3+x)÷4=85+3,
(255+x)÷4=88,
255+x=352,
x=97;
答:小青数学考了97分.
解法一:(85+3)×4-85×3,
=88×4-255,
=352-255,
=97(分);
答:小青数学考了97分.
方法二:
设小青数学考了x分,由题意得:
(85×3+x)÷4=85+3,
(255+x)÷4=88,
255+x=352,
x=97;
答:小青数学考了97分.