Meaning
暗算 (あんざん, anzan) is a JLPT N1 vocabulary word meaning “mental arithmetic”.
Kanji in this word
Example sentences 6
彼は暗算が出来るほどの頭脳を持ち合わせていない。
He's not smart enough to add numbers in his head.
いや算盤やってるから暗算得意なのかと思って。
No, I just thought that since you can use an abacus, you might be good at doing calculations in your head.
彼は暗算が出来るほど頭が良くない。
He doesn't have enough brains to do sums in his head.
彼は暗算をするほど頭が良くない。
He doesn't have enough brains to do sums in his head.
暗算が出来るほど彼は賢くはない。
He's not smart enough to do math in his head.
トムは暗算が得意だよ。
Tom is good at mental math.