Question

小学六年级数学百分数应用题(140题）

计算时至少两步。不要太难，一般就行。
好的再加20分！ 一共要140题

Answer 1

运来一车苹果，共200千克。是桃子的20%.桃子多少千克？
200÷20%=1000（千克）答：桃子1000千克

Answer 2

10l水加入10g盐，溶解。倒出50% ，再加入10g盐，求此时盐水的浓度。

Answer 3

1+1*9= 2+2*9= 3+3*5= 9*9+6= 8+9*6= 5+9+6*9=································································································································································································································
9*9*1+9=

Answer 4

1+1＝（ ）

Answer 5

那一题？？？