第一步：算出是等号时的值，并记在框或圆圈的上面。
Step1: Calculate the number when it is a equality sentence.
第二步：注意和
前面的运算符合“＋”或“－”
Step 2: Note the sign "+" or "-" in the left of and
.
第三步：看和
与>,<的关系，下面以
为例：
Step 3: Take the note for the directional relation of and >,<, take an example for
.
> , <
大于或小于号的开口方向对着圆圈，此为“向”
The direction of < or > is opened to , we call "O"
< , >
大于或小于号的开口方向背着圆圈，此为“背”
The direction of < or > is backed to , we call "B"
第四步：合成第二步和第三步，用下面口诀对第一步算出的数值进行＋1或－1, 把得数填在或
里。
Combine the step 2 and step 3, use the rules of below to conduct "+1" or "-1" for the number which calculated out in the step 1, the fill the result in the or
.
露莘长期研究k12数学，对各种难题和挑战题颇有造诣，并发明多种适合各年龄段和不同年级的符和孩子们认知规律的快速解题方法！此为露莘发明的针对一年级小朋友的认知范围的解题方法！供小朋友和家长们参照，未经同意，不得作为商业用途！
Lucy has been long term focusing on reseach the K12 Maths and worked on the books of English K12 Maths, She is very good at finding the medthods for the kids in different level-ages and grades to solve the changlengbale Maths problems, the "Lucy method" for "Numbering game in trangle" here are developed by Lucy to help parents and kids quickly solve the problem, It is not allowed for any commerical use without permittion!
关注微信公众号K12EEE，直接询问露莘老师问题！
Follow the wechat ID K12EEE and interact with Lucy!