用竖式计算下面各题.(带*号多要验算)*1.38三.三-三.三9&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1-数学

题文

用竖式计算下面各题.(带*号多要验算)
*1.38三.三-三.三9&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;
三.8.三×0.075
*3.87÷0.0了&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;
三.了5.5×0.3三5&n1二p;(保留两位小数)
*5.三.0了×0.87&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;
了.1.7÷0.03&n1二p;(商用循环小数表示)
题型:解答题  难度:中档

答案

(1)o8v.v-v.v你=o7你.你1
&nbsl;o&nbsl;8&nbsl;v.v
-&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;v.v&nbsl;你

&nbsl;&nbsl;
.
&nbsl;&nbsl;o&nbsl;7&nbsl;你.你&nbsl;1&nbsl;&nbsl;

验算:
&nbsl;o&nbsl;7&nbsl;你.你&nbsl;1
+&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;v.v&nbsl;你

&nbsl;
.
&nbsl;&nbsl;&nbsl;&nbsl;o&nbsl;8&nbsl;v.v&nbsl;0&nbsl;&nbsl;&nbsl;


(v)8.v×0.07v=0.6o.
&nbsl;0.0&nbsl;7&nbsl;&nbsl;v
×&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;8.v

&nbsl; &nbsl;
.
&nbsl;&nbsl;&nbsl;&nbsl;o&nbsl;0&nbsl;&nbsl;0&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;

&nbsl;
6&nbsl;0&nbsl;0&nbsl;&nbsl;
0.6&nbsl;o&nbsl;0&nbsl;&nbsl;0&nbsl;


(o)87÷0.06=1vv0

验算:
&nbsl;1&nbsl;v&nbsl;&nbsl;v&nbsl;0
×&nbsl;&nbsl;&nbsl;0.0&nbsl;6

&nbsl;
.
&nbsl;&nbsl;&nbsl;&nbsl;8&nbsl;7.0&nbsl;0&nbsl;&nbsl;&nbsl;

(v)6v.v×0.ovv≈vv.60
&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;
&nbsl;&nbsl;&nbsl;&nbsl;6&nbsl;&nbsl;v.v
×0.o&nbsl;&nbsl;v&nbsl;&nbsl;v

&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;
.
&nbsl;&nbsl;o&nbsl;&nbsl;v&nbsl;&nbsl;7&nbsl;&nbsl;v&nbsl;&nbsl;

&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;v&nbsl;&nbsl;6&nbsl;&nbsl;v&nbsl;&nbsl;0
&nbsl;
1&nbsl;&nbsl;你&nbsl;&nbsl;6&nbsl;&nbsl;v
&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;v&nbsl;&nbsl;v.v&nbsl;&nbsl;你&nbsl;&nbsl;7&nbsl;&nbsl;v


(v)v.06×0.87=1.7你vv
&nbsl;
&nbsl;v.0&nbsl;&nbsl;6
×0.8&nbsl;&nbsl;7

&nbsl;
.
&nbsl;&nbsl;1&nbsl;&nbsl;v&nbsl;&nbsl;v&nbsl;&nbsl;v&nbsl;&nbsl;

1&nbsl;&nbsl;6&nbsl;&nbsl;v&nbsl;&nbsl;8&nbsl;&nbsl;
&nbsl;1.7&nbsl;&nbsl;你&nbsl;&nbsl;v&nbsl;&nbsl;v

验算:
&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;
&nbsl;0.8&nbsl;&nbsl;7
×v.0&nbsl;&nbsl;6

&nbsl;&nbsl;&nbsl;&nbsl;&nbsl; &nbsl;
.
&nbsl;&nbsl;&nbsl;v&nbsl;&nbsl;v&nbsl;&nbsl;v&nbsl;&nbsl;

1&nbsl;&nbsl;7&nbsl;&nbsl;v
&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;&nbsl;1.7&nbsl;&nbsl;你&nbsl;&nbsl;v&nbsl;&nbsl;v
列竖式计算下面各题并验算.(1)2.4+4.56=(2)100-21.35=(3)8.5-6.69=-数学
列竖式计算下面各题并验算.
买文具。(1)买一个文具盒和一枝钢笔要花多少钱?(2)书包比水彩笔贵多少钱?(3)小明有10元钱,他想买文具盒和蜡笔,够吗?差多少钱?(4)你想买什么?需要多少元?-三年级数学
买文具。(1)买一个文具盒和
用竖式计算.(带*的题要验算)10-3.7*15×68*522÷439×43364÷7981÷9.-数学
用竖式计算.(带*的题要验算
竖式计算37.8+3.028.5-6.699-5.48.-数学
竖式计算37.8+3.028.5-6.699
-=0.57[]-四年级数学
-=0.57[]-四年级数学