早教吧作业答案频道 -->其他-->
计算,能简算的要简算.517÷9+19×121712×99+12.
题目详情
计算,能简算的要简算.
÷9+
×
12×99+12.
÷9+
×
12×99+12.
5 5 17 17
×
12×99+12.
1 1 9 9
12×99+12.
12 12 17 17
5 |
17 |
1 |
9 |
12 |
17 |
5 |
17 |
1 |
9 |
12 |
17 |
5 |
17 |
1 |
9 |
12 |
17 |
1 |
9 |
12 |
17 |
12 |
17 |
▼优质解答
答案和解析
(1)
÷9+
×
,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
5 5 517 17 17÷9+
×
,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 1 19 9 9×
,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
12 12 1217 17 17,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
5 5 517 17 17×
+
×
,
=(
+
)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 1 19 9 9+
×
,
=(
+
)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 1 19 9 9×
,
=(
+
)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
12 12 1217 17 17,
=(
+
)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
5 5 517 17 17+
)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
12 12 1217 17 17)×
,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 1 19 9 9,
=1×
,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 1 19 9 9,
=
;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 1 19 9 9;
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
5 |
17 |
1 |
9 |
12 |
17 |
=
5 |
17 |
1 |
9 |
1 |
9 |
12 |
17 |
=(
5 |
17 |
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
5 |
17 |
1 |
9 |
12 |
17 |
=
5 |
17 |
1 |
9 |
1 |
9 |
12 |
17 |
=(
5 |
17 |
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 |
9 |
12 |
17 |
=
5 |
17 |
1 |
9 |
1 |
9 |
12 |
17 |
=(
5 |
17 |
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
12 |
17 |
=
5 |
17 |
1 |
9 |
1 |
9 |
12 |
17 |
=(
5 |
17 |
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
5 |
17 |
1 |
9 |
1 |
9 |
12 |
17 |
=(
5 |
17 |
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 |
9 |
1 |
9 |
12 |
17 |
=(
5 |
17 |
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 |
9 |
12 |
17 |
=(
5 |
17 |
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
12 |
17 |
=(
5 |
17 |
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
5 |
17 |
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
12 |
17 |
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 |
9 |
=1×
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 |
9 |
=
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
1 |
9 |
(2)12×99+12,
=(99+1)×12,
=100×12,
=1200.
看了 计算,能简算的要简算.517...的网友还看了以下:
口算.0.46-0.06=3.7+4.3=1+0.55=4.6-1.8=0.65+0.32=10- 2020-04-07 …
因为:1³=1×1×1=1 2³=2×2×2=8 1³+2³=1+8=9 (1+2)²=3×3=9 2020-05-16 …
观察下列各式 4-2=4/2,2/9-3=(2/9)/3,(-1/2)-(1/2)=(-1/2)/ 2020-05-16 …
请加速,我会+分,结果,正确25.63-(-291.7)+4.37+(-9.3)3又3/5-(-6 2020-05-23 …
0到9.0,1,2,3-9各有多少个,10-99.0,1,2,3-9各有多少个.依次内推到1000 2020-06-25 …
义务教育课程标准实验教科书(青岛版)数学五年级下册配套练习册第28页答案一.计算1/2+1/3+3 2020-07-18 …
1、2/3÷1/2-1/4×2/52、2-6/13÷9/26-2/33、2/9+1/2÷4/5+3 2020-07-18 …
1/1*2+1/2*3+1/3*4+..+1/8*9+1/9*10=()1+2-3-4+5+6-7- 2020-11-03 …
直接写出得数6.9-6=0.9+0.6=1-0.09=0.9+0.1=2.7+2.2=0.2+0.8 2020-11-04 …
观察下列各式:1^3+2^3=1+8=9,而(1+2)^2=9……观察下列各式:1^3+2^3=1+ 2021-01-01 …