题目内容
| 69×5 | 80×54 | 9×13 | 128×9 |
| 206×8 | 15×5×50 | 44×4+6 | (710+230)×8 |
| (330+230)÷8 | (540-370)×6 | 33×8÷6 | 745+625÷5. |
分析:根据整数乘法和四则运算的计算顺序进行计算.
解答:解:(1)69×5=345
;
(2)80×54=432
;
(3)9×13=117
;
(4)128×9=1152
;
(5)206×8=1648
;
(6)15×5×50
=75×50
=3750;
(7)44×4+6
=176+6
=182;
(8)(710+230)×8
=940×8
=7520;
(9)(330+230)÷8
=560÷8
=70;
(10)(540-370)×6
=170×6
=1020;
(11)33×8÷6
=264÷6
=44;
(12)745+625÷5
=745+125
=870.
|
. | |||||||
|
(2)80×54=432
|
. | |||||||
|
(3)9×13=117
|
. | |||||||
|
(4)128×9=1152
|
. | |||||||
|
(5)206×8=1648
|
. | |||||||
|
(6)15×5×50
=75×50
=3750;
(7)44×4+6
=176+6
=182;
(8)(710+230)×8
=940×8
=7520;
(9)(330+230)÷8
=560÷8
=70;
(10)(540-370)×6
=170×6
=1020;
(11)33×8÷6
=264÷6
=44;
(12)745+625÷5
=745+125
=870.
点评:本题主要考查了学生的计算能力,在计算时一定要细心.
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