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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.
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