题目内容
怎样算简便就怎样算.
16×
×(9×
);
+
×
+
÷4.
16×
| 2 |
| 3 |
| 1 |
| 8 |
| 1 |
| 4 |
| 37 |
| 7 |
| 1 |
| 4 |
| 62 |
| 7 |
(1)16×
×(9×
)
=(16×
)×(
×9)
=2×6
=12;
(2)
+
×
+
÷4
=(1+
+
)×
=
×
=3
.
| 2 |
| 3 |
| 1 |
| 8 |
=(16×
| 1 |
| 8 |
| 2 |
| 3 |
=2×6
=12;
(2)
| 1 |
| 4 |
| 37 |
| 7 |
| 1 |
| 4 |
| 62 |
| 7 |
=(1+
| 37 |
| 7 |
| 62 |
| 7 |
| 1 |
| 4 |
=
| 106 |
| 7 |
| 1 |
| 4 |
=3
| 11 |
| 14 |
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