From 655824f8d902efd60209843b2dc5c173595f2555 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=B5=B5=E9=91=AB?= <7176466@qq.com> Date: Mon, 22 Aug 2022 12:08:43 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=B9=98=E5=8F=B7?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 概念/乘法.md | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/概念/乘法.md b/概念/乘法.md index 42edfc1..9918217 100644 --- a/概念/乘法.md +++ b/概念/乘法.md @@ -19,17 +19,17 @@ $$ \sum_{k=1}^{n}{m} = \underbrace{m + m + m + \cdots + m}_{n} = m \times n $$ ## 乘法口诀表 -| X | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | -| 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -| 2 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | -| 3 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | -| 4 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | -| 5 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | -| 6 | 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | -| 7 | 7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 | -| 8 | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 | -| 9 | 9 | 18 | 27 | 36 | 45 | 54 | 63 | 72 | 81 | +| $\times$ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | +| -------- | --- | --- | --- | --- | --- | --- | --- | --- | --- | +| 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | +| 2 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | +| 3 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | +| 4 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | +| 5 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | +| 6 | 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | +| 7 | 7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 | +| 8 | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 | +| 9 | 9 | 18 | 27 | 36 | 45 | 54 | 63 | 72 | 81 | ## 竖式计算