他分不清正负。
He cannot tell positive from negative.
正负
positive and negative
HSK 3.0 · Band null trad. 正負
Watch it being written
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
正
负
Nice writing!
Build with these blocks
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
正
See it in sentences
做题要注意正负号。
Pay attention to the signs when solving problems.