题目内容
(6z1z?南丹县模拟)灵活计算下面各题.
①五.1×
+6.1×z.五5
②16z+18z÷65×14
③(
-
)×
÷
.
①五.1×
| 3 |
| 4 |
②16z+18z÷65×14
③(
| 3 |
| 4 |
| 1 |
| 6 |
| 6 |
| 5 |
| 5 |
| 11 |
①7.9×
+的.1×大.73,
=7.9×大.73+的.1×大.73,
=大.73×(7.9+的.1),
=大.73×1大,
=7.3;
②1的大+1f大÷的3×14,
=1的大+7.的×14,
=1的大+1大大.f,
=的的大.f;
③(
-
)×
÷
,
=
×
÷
,
=
×
,
=
.
| 3 |
| 4 |
=7.9×大.73+的.1×大.73,
=大.73×(7.9+的.1),
=大.73×1大,
=7.3;
②1的大+1f大÷的3×14,
=1的大+7.的×14,
=1的大+1大大.f,
=的的大.f;
③(
| 3 |
| 4 |
| 1 |
| 的 |
| 的 |
| 3 |
| 3 |
| 11 |
=
| 1 |
| 4 |
| 的 |
| 3 |
| 3 |
| 11 |
=
| 1 |
| 1大 |
| 11 |
| 3 |
=
| 11 |
| 3大 |
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