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下面各题怎样简便就怎样算(1)813÷9+19×513(2)(23+34-12)×12(3)58÷(12+14)(4)[12×(34-35)]÷710.
题目详情
下面各题怎样简便就怎样算
(1)
÷9+
×
(2)(
+
-
)×12
(3)
÷(
+
)
(4)[
×(
-
)]÷
.
÷9+
×
(2)(
+
-
)×12
(3)
÷(
+
)
(4)[
×(
-
)]÷
.
8 13 8 8 13 13
×
(2)(
+
-
)×12
(3)
÷(
+
)
(4)[
×(
-
)]÷
.
1 9 1 1 9 9
(2)(
+
-
)×12
(3)
÷(
+
)
(4)[
×(
-
)]÷
.
5 13 5 5 13 13
+
-
)×12
(3)
÷(
+
)
(4)[
×(
-
)]÷
.
2 3 2 2 3 3
-
)×12
(3)
÷(
+
)
(4)[
×(
-
)]÷
.
3 4 3 3 4 4
)×12
(3)
÷(
+
)
(4)[
×(
-
)]÷
.
1 2 1 1 2 2
÷(
+
)
(4)[
×(
-
)]÷
.
5 8 5 5 8 8
+
)
(4)[
×(
-
)]÷
.
1 2 1 1 2 2
)
(4)[
×(
-
)]÷
.
1 4 1 1 4 4
×(
-
)]÷
.
1 2 1 1 2 2
-
)]÷
.
3 4 3 3 4 4
)]÷
.
3 5 3 3 5 5
.
7 10 7 7 10 10
(1)
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▼优质解答
答案和解析
(1)813÷9+19×513=19×(813+513)=19×1=19(2)(23+34-12)×12=23×12+34×12-12×12=8+9-6=11(3)58÷(12+14)=58÷34=58×43=56(4)[12×(34-35)]÷710=(12×320)×107=340×107=328...
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