题目内容
10.5÷8
×
-(26-1.6×2
÷
)
| 2 |
| 8 |
| 4 |
| 5 |
| 1 |
| 2 |
| 4 |
| 25 |
分析:根据小数、分数四则混合运算的顺序进行计算.
解答:解:10.5÷8
×
-(26-1.6×2
÷
),
=10.5÷8
×
-(26-4÷
),
=10.5÷8
×
-(26-25),
=10.5÷8
×
-1,
=10.5×
×
-1,
=
-1,
=
.
| 2 |
| 8 |
| 4 |
| 5 |
| 1 |
| 2 |
| 4 |
| 25 |
=10.5÷8
| 2 |
| 8 |
| 4 |
| 5 |
| 4 |
| 25 |
=10.5÷8
| 2 |
| 8 |
| 4 |
| 5 |
=10.5÷8
| 2 |
| 8 |
| 4 |
| 5 |
=10.5×
| 8 |
| 66 |
| 4 |
| 5 |
=
| 56 |
| 55 |
=
| 1 |
| 55 |
点评:考查了小数、分数四则混合运算,计算要认真解答.
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