"Plus" means that the increase on the basis of the original quantity is a pure increase, and the final quantity means adding the original quantity to the increased quantity.

For example, Taiyan Primary School had 200 students in spring of 2065 1.200 and 25 students in autumn of 2065, with 438+09 students. How many students are there in Taiyuan Primary School now? Answer: 1200+25 = 1225 (person).

"Increase to" means: on the basis of the original number, it becomes the present majority, that is, the last number.

For example, Taiyan Primary School had 1.200 students in the spring of 2065,438+09 and increased to 1.225 students in the autumn of 2065,438+09. How many students are there in Taiyuan Primary School now? Now there are 1225 students in Chengnan Primary School.

Extended data:

"Increase" or "decrease" refers to increase or decrease, which is the difference between two time periods. "Increase to" or "decrease to" refers to the amount of change. Add to include the original content and add to exclude the original content.

For example, a 9-meter-long rope is increased to12m, which means that the length of the rope is12m, including the original 9m.

The 9-meter-long rope is increased by12m, which means that the length of this rope is 9m+12m =2 1 m, excluding the original 9m.

The main differences between "increase" and "increase to" are: "increase" refers to adding the increased number to the original number; And "increase to" directly means that the original number becomes the current number, without adding or subtracting.