题目内容
灵活计算,(能简便计算的要用简便方法计算).
2-
÷
36×(
+
)
(
+
÷6)×
22.1-4.88-4.12.
2-
| 8 |
| 15 |
| 4 |
| 9 |
36×(
| 1 |
| 6 |
| 2 |
| 3 |
(
| 4 |
| 5 |
| 2 |
| 3 |
| 5 |
| 7 |
22.1-4.88-4.12.
(1)2-
÷
,
=2-
,
=
;
(2)36×(
+
),
=36×
+
×36,
=6+24,
=30;
(3)(
+
÷6)×
,
=(
+
)×
,
=
×
+
×
,
=
+
,
=
;
(4)22.1-4.88-4.12,
=22.1-(4.88+4.12),
=22.1-9,
=13.1.
| 8 |
| 15 |
| 4 |
| 9 |
=2-
| 6 |
| 5 |
=
| 4 |
| 5 |
(2)36×(
| 1 |
| 6 |
| 2 |
| 3 |
=36×
| 1 |
| 6 |
| 2 |
| 3 |
=6+24,
=30;
(3)(
| 4 |
| 5 |
| 2 |
| 3 |
| 5 |
| 7 |
=(
| 4 |
| 5 |
| 1 |
| 9 |
| 5 |
| 7 |
=
| 4 |
| 5 |
| 5 |
| 7 |
| 1 |
| 9 |
| 5 |
| 7 |
=
| 4 |
| 7 |
| 5 |
| 63 |
=
| 41 |
| 63 |
(4)22.1-4.88-4.12,
=22.1-(4.88+4.12),
=22.1-9,
=13.1.
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