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脱式计算(1)15÷(23+15)×113(2)72×156-56×72(3)49÷(56-12)×(78-516)(4)37×13+47÷3.
题目详情
脱式计算
(1)
÷(
+
)×
(2)72×156-56×72
(3)
÷(
-
)×(
-
)
(4)
×
+
÷3.
÷(
+
)×
(2)72×156-56×72
(3)
÷(
-
)×(
-
)
(4)
×
+
÷3.
1 1 5 5
+
)×
(2)72×156-56×72
(3)
÷(
-
)×(
-
)
(4)
×
+
÷3.
2 2 3 3
)×
(2)72×156-56×72
(3)
÷(
-
)×(
-
)
(4)
×
+
÷3.
1 1 5 5
(2)72×156-56×72
(3)
÷(
-
)×(
-
)
(4)
×
+
÷3.
1 1 13 13
÷(
-
)×(
-
)
(4)
×
+
÷3.
4 4 9 9
-
)×(
-
)
(4)
×
+
÷3.
5 5 6 6
)×(
-
)
(4)
×
+
÷3.
1 1 2 2
-
)
(4)
×
+
÷3.
7 7 8 8
)
(4)
×
+
÷3.
5 5 16 16
×
+
÷3.
3 3 7 7
+
÷3.
1 1 3 3
÷3.
4 4 7 7
(1)
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(2)72×156-56×72
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▼优质解答
答案和解析
(1)15÷(23+15)×113=15÷1315×113=313×113=3169;(2)72×156-56×72=72×(156-56)=72×100=7200;(3)49÷(56-12)×(78-516)=49÷13×916=43×916=34;(4)37×13+47÷3=37×13+47×13=(37+47)×...
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