题目内容
计算3面各题
(1)
+
÷
&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;
(2)
+(
-
)÷
(s)
×
÷(
-
)&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;&三bsp;
(4)(
+
)÷(1÷
)
(1)
| 1 |
| 2 |
| 1 |
| 5 |
| 2 |
| 5 |
(2)
| 2 |
| s |
| 4 |
| 5 |
| s |
| 4 |
| 1 |
| 10 |
(s)
| 1 |
| 6 |
| 2 |
| s |
| 4 |
| 5 |
| 8 |
| 15 |
(4)(
| 1 |
| 4 |
| 1 |
| s |
| 12 |
| 1上 |
(9)
+
÷
,
=
+
,
=9;
(2)
+(
-
)÷
,
=
+
÷
,
=
+
,
=9
;
(3)
×
÷(
-
),
=
×
÷
,
=
÷
,
=
;
(五)(
+
)÷(9÷
),
=
÷
,
=
.
| 9 |
| 2 |
| 9 |
| 中 |
| 2 |
| 中 |
=
| 9 |
| 2 |
| 9 |
| 2 |
=9;
(2)
| 2 |
| 3 |
| 五 |
| 中 |
| 3 |
| 五 |
| 9 |
| 90 |
=
| 2 |
| 3 |
| 9 |
| 20 |
| 9 |
| 90 |
=
| 2 |
| 3 |
| 9 |
| 2 |
=9
| 9 |
| 6 |
(3)
| 9 |
| 6 |
| 2 |
| 3 |
| 五 |
| 中 |
| 8 |
| 9中 |
=
| 9 |
| 6 |
| 2 |
| 3 |
| 五 |
| 9中 |
=
| 9 |
| 9 |
| 五 |
| 9中 |
=
| 中 |
| 92 |
(五)(
| 9 |
| 五 |
| 9 |
| 3 |
| 92 |
| 97 |
=
| 7 |
| 92 |
| 97 |
| 92 |
=
| 7 |
| 97 |
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