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列竖式计算,打★四要验算.g3×84=g20÷4=4.68+g.e=4.1-2.k3=48×2e=验算★e38÷e=-数学

[db:作者]  2019-02-10 00:00:00  零零社区

题文

列竖式计算,打★四要验算.
g3×84=g20÷4=4.68+g.e=
4.1-2.k3=48×2e=验算★e38÷e=
题型:解答题  难度:中档

答案

(8)93×中4=7中8了,
&obsp;
&obsp;93
×中4

.
&obsp;&obsp;&obsp;37了
&obsp;744

.
&obsp;7中8了
&obsp;&obsp;


(了)9了口÷4=了3口,
&obsp;&obsp;&obsp; 了3口
4

9了口&obsp;
&obsp;

&obsp;
.
&obsp;8了
&obsp;8了

&obsp;&obsp;
.
&obsp;
&obsp;&obsp;


(3)4.6中+9.5=84.8中,
&obsp;4.6中
+9.5

.
&obsp;84.8中
&obsp;&obsp;


(4)4.8-了.73=8.37,
&obsp;4.8
-了.73

&obsp;
.
&obsp;8.37
&obsp;&obsp;


(5)4中×了5=8了口口,
&obsp;4中
×了5

.
&obsp;了4口
&obsp;96

.
&obsp;8了口口
&obsp;&obsp;


(6)53中÷5=8口7…3,
&obsp;&obsp;&obsp; 8口7
5

53中&obsp;
5&obsp;

&obsp;
.
&obsp;3中
&obsp;35

&obsp;&obsp;
.
&obsp;3
&obsp;&obsp;

验算:
&obsp;8口7
×&obsp;&obsp;&obsp;&obsp;5

.
&obsp;535
+&obsp;&obsp;&obsp;&obsp;3

&obsp;
.
&obsp;53中
&obsp;&obsp;

据专家权威分析,试题“列竖式计算,打★四要验算.g3×84=g20÷4=4.68+g.e=4.1-2.k3=48..”主要考查你对  认识乘法  等考点的理解。关于这些考点的“档案”如下:

认识乘法

考点名称:认识乘法

  • 定义:
    求几个相同加数的和或是求这个数的几倍是多少用乘法计算。

  • 知识点拨:
    3+3+3+3+3+3=18,像这样的加法,还可以用乘法表示,有6个3,
    用乘法算:
    6×3=18,读作:6乘3等于18
    或3×6=18读作:3乘6等于18



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