题目内容
先在横线里填数,使计算简便,然后再计算.
×
×______
×
×______
______×
×18.
| 5 |
| 7 |
| 1 |
| 4 |
| 11 |
| 8 |
| 11 |
| 26 |
______×
| 2 |
| 5 |
(1)
×
×4,
=
×(
×4),
=
×1,
=
;
(2)
×
×
,
=
×(
×
),
=
×1,
=
;
(3)
×
×18.
=(
×
)×18,
=1×18,
=18.
故答案为:4、
、
.
| 5 |
| 7 |
| 1 |
| 4 |
=
| 5 |
| 7 |
| 1 |
| 4 |
=
| 5 |
| 7 |
=
| 5 |
| 7 |
(2)
| 11 |
| 8 |
| 11 |
| 26 |
| 26 |
| 11 |
=
| 11 |
| 8 |
| 11 |
| 26 |
| 26 |
| 11 |
=
| 11 |
| 8 |
=
| 11 |
| 8 |
(3)
| 5 |
| 2 |
| 2 |
| 5 |
=(
| 5 |
| 2 |
| 2 |
| 5 |
=1×18,
=18.
故答案为:4、
| 26 |
| 11 |
| 5 |
| 2 |
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