Current location - Training Enrollment Network - Mathematics courses - How to calculate who has several times more math problems in primary schools and who has more math problems?
How to calculate who has several times more math problems in primary schools and who has more math problems?
For example, Xiao Ming has 12 pencils. Xiaoming's pencil is four times as big as Xiaohong's. How much more is Xiaoming than Xiaohong?

(1) Xiaoming has many proofs, and Xiaohong's pencil is it.

12/4=3 (branch)

Who is whose multiple is that there are fewer people before the multiple.

(2) 12-3=9 (branch)

Xiao Ming needs to subtract Xiaohong's pencil.