题目内容
计算下列各题.
(1)360+(18×2)
(2)11.67-(2.98+0.67)
(3)
+(
-
)÷
(4)
×[
÷(
+
)].
(1)360+(18×2)
(2)11.67-(2.98+0.67)
(3)
| 5 |
| 16 |
| 7 |
| 16 |
| 1 |
| 4 |
| 1 |
| 2 |
(4)
| 8 |
| 9 |
| 3 |
| 7 |
| 2 |
| 3 |
| 1 |
| 7 |
考点:整数四则混合运算,分数的四则混合运算,小数四则混合运算
专题:运算顺序及法则
分析:(1)先算乘法,再算加法;
(2)先算加法,再算减法;
(3)先算减法,再算除法,最后算加法;
(4)先算加法,再算除法,最后算乘法.
(2)先算加法,再算减法;
(3)先算减法,再算除法,最后算加法;
(4)先算加法,再算除法,最后算乘法.
解答:
解:(1)360+(18×2)
=360+36
=396;
(2)11.67-(2.98+0.67)
=11.67-3.65
=8.02;
(3)
+(
-
)÷
=
+
÷
=
+
=
;
(4)
×[
÷(
+
)].
=
×[
÷
]
=
×
=
.
=360+36
=396;
(2)11.67-(2.98+0.67)
=11.67-3.65
=8.02;
(3)
| 5 |
| 16 |
| 7 |
| 16 |
| 1 |
| 4 |
| 1 |
| 2 |
=
| 5 |
| 16 |
| 3 |
| 16 |
| 1 |
| 2 |
=
| 5 |
| 16 |
| 3 |
| 8 |
=
| 11 |
| 16 |
(4)
| 8 |
| 9 |
| 3 |
| 7 |
| 2 |
| 3 |
| 1 |
| 7 |
=
| 8 |
| 9 |
| 3 |
| 7 |
| 17 |
| 21 |
=
| 8 |
| 9 |
| 9 |
| 17 |
=
| 8 |
| 17 |
点评:考查了四则混合运算注意运算顺序和运算法则,然后再进一步计算.
练习册系列答案
相关题目