早教吧作业答案频道 -->数学-->
计算下面各题,能简算要简算.(1)65×67-67÷5(2)99+99×0.9+99×8.1(3)813÷7+17×513(4)116×4÷14×4.
题目详情
计算下面各题,能简算要简算.
(1)
×
-
÷5
(2)99+99×0.9+99×8.1
(3)
÷7+
×
(4)
×4÷
×4.计算下面各题,能简算要简算.
(1)
×
-
÷5
(2)99+99×0.9+99×8.1
(3)
÷7+
×
(4)
×4÷
×4.
×
-
÷5
(2)99+99×0.9+99×8.1
(3)
÷7+
×
(4)
×4÷
×4.
6 5 6 6 5 5
-
÷5
(2)99+99×0.9+99×8.1
(3)
÷7+
×
(4)
×4÷
×4.
6 7 6 6 7 7
÷5
(2)99+99×0.9+99×8.1
(3)
÷7+
×
(4)
×4÷
×4.
6 7 6 6 7 7
÷7+
×
(4)
×4÷
×4.
8 13 8 8 13 13
×
(4)
×4÷
×4.
1 7 1 1 7 7
(4)
×4÷
×4.
5 13 5 5 13 13
×4÷
×4.
1 16 1 1 16 16
×4.
1 4 1 1 4 4
(1)
6 |
5 |
6 |
7 |
6 |
7 |
(2)99+99×0.9+99×8.1
(3)
8 |
13 |
1 |
7 |
5 |
13 |
(4)
1 |
16 |
1 |
4 |
(1)
6 |
5 |
6 |
7 |
6 |
7 |
(2)99+99×0.9+99×8.1
(3)
8 |
13 |
1 |
7 |
5 |
13 |
(4)
1 |
16 |
1 |
4 |
6 |
5 |
6 |
7 |
6 |
7 |
(2)99+99×0.9+99×8.1
(3)
8 |
13 |
1 |
7 |
5 |
13 |
(4)
1 |
16 |
1 |
4 |
6 |
5 |
6 |
7 |
6 |
7 |
(2)99+99×0.9+99×8.1
(3)
8 |
13 |
1 |
7 |
5 |
13 |
(4)
1 |
16 |
1 |
4 |
6 |
7 |
6 |
7 |
(2)99+99×0.9+99×8.1
(3)
8 |
13 |
1 |
7 |
5 |
13 |
(4)
1 |
16 |
1 |
4 |
6 |
7 |
8 |
13 |
1 |
7 |
5 |
13 |
(4)
1 |
16 |
1 |
4 |
8 |
13 |
1 |
7 |
5 |
13 |
(4)
1 |
16 |
1 |
4 |
1 |
7 |
5 |
13 |
(4)
1 |
16 |
1 |
4 |
5 |
13 |
1 |
16 |
1 |
4 |
1 |
16 |
1 |
4 |
1 |
4 |
▼优质解答
答案和解析
(1)
×
-
÷5
=
×
-
×
=(
-
)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 5 6 6 65 5 5×
-
÷5
=
×
-
×
=(
-
)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7-
÷5
=
×
-
×
=(
-
)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7÷5
=
×
-
×
=(
-
)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 5 6 6 65 5 5×
-
×
=(
-
)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7-
×
=(
-
)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7×
=(
-
)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
1 5 1 1 15 5 5
=(
-
)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 5 6 6 65 5 5-
)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
1 5 1 1 15 5 5)×
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7
=1×
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7
=
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
8 13 8 8 813 13 13÷7+
×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7×
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
5 13 5 5 513 13 13
=
×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
8 13 8 8 813 13 13×
+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7+
×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7×
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
5 13 5 5 513 13 13
=(
+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
8 13 8 8 813 13 13+
)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
5 13 5 5 513 13 13)×
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7
=1×
=
(4)
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7
=
(4)
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7
(4)
×4÷
×4
=
×4×4×4
=4
1 16 1 1 116 16 16×4÷
×4
=
×4×4×4
=4
1 4 1 1 14 4 4×4
=
×4×4×4
=4
1 16 1 1 116 16 16×4×4×4
=4
6 |
5 |
6 |
7 |
6 |
7 |
=
6 |
5 |
6 |
7 |
6 |
7 |
1 |
5 |
=(
6 |
5 |
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
5 |
6 |
7 |
6 |
7 |
=
6 |
5 |
6 |
7 |
6 |
7 |
1 |
5 |
=(
6 |
5 |
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
7 |
6 |
7 |
=
6 |
5 |
6 |
7 |
6 |
7 |
1 |
5 |
=(
6 |
5 |
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
7 |
=
6 |
5 |
6 |
7 |
6 |
7 |
1 |
5 |
=(
6 |
5 |
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
5 |
6 |
7 |
6 |
7 |
1 |
5 |
=(
6 |
5 |
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
7 |
6 |
7 |
1 |
5 |
=(
6 |
5 |
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
7 |
1 |
5 |
=(
6 |
5 |
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
5 |
=(
6 |
5 |
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
5 |
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
5 |
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
7 |
=1×
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
7 |
=
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
6 |
7 |
(2)99+99×0.9+99×8.1
=99×(1+0.9+8.1)
=99×10
=990
(3)
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
8 |
13 |
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
7 |
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
5 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
8 |
13 |
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
7 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
7 |
=
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
7 |
(4)
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
16 |
1 |
4 |
=
1 |
16 |
=4
1 |
4 |
=
1 |
16 |
=4
1 |
16 |
=4
看了 计算下面各题,能简算要简算....的网友还看了以下:
样本方差先求出这组数据的平均数:(6*2+7*3+8*2+9+10+11)/10=7.9再算方差( 2020-05-14 …
24点 2 3 5 8 2 3 5 10 2 3 7 9 2 3 7 10 2 5 5 10 2 2020-05-16 …
#########9#######1#3#4#6#7##############8#####4#9 2020-06-06 …
|-7/9|/(2/3-1/5)-1/3*(-4)²=7/9*2/3-7/9*1/5-16/3=- 2020-07-18 …
计算:(1)(-5)-(+3)+(-9)-(-7)+12;(2)10-23+32-17-21+45 2020-07-23 …
(9又7/2+7又9/2)/(5/7+5/9)等于几(简算) 2020-07-28 …
GARDENRESTAURANTTelephone:2706030Address:9020SnowW 2020-10-30 …
小题1:WhatcanyoufindinParker’sSweetShop?A.Books.B.Ch 2020-10-30 …
简便运算1.1/2+1/4+1/8+.+1/2562.6X7/12-9/20X63.2/3+2/9+ 2020-10-31 …
在第六次全国人口普查中,南京市常住人口约为800万人,其中65岁及以上人口占9.2%.则该市65岁及 2021-01-12 …