大写X是未知数,小写x是乘号
----------------------
今年X亩,去年X+24亩
去年产糖100x(X+24)x 20%
今年产糖(100+30)x X x (20%+10%)
所以
100x(X+24)x 20% x(1+10%)=(100+30)x X x(20%+10%)
22X+528=39X
X=31
大写X是未知数,小写x是乘号
----------------------
今年X亩,去年X+24亩
去年产糖100x(X+24)x 20%
今年产糖(100+30)x X x (20%+10%)
所以
100x(X+24)x 20% x(1+10%)=(100+30)x X x(20%+10%)
22X+528=39X
X=31