题目内容
①
| ②33×
| ③
| ||||||||||||||||||||
④
| ⑤
| ⑥(
|
①
×
=
;
②33×
=(32+1)×
=32×
+1×
=7+
=7
;
③
×
×
=
×
×
,
=
;
④
-
×
=
-
,
=
;
⑤
×
+
×
=(
+
)×
,
=2×
,
=
;
⑥(
+
)×
=
×
+
×
,
=
+
,
=
.
| 10 |
| 21 |
| 12 |
| 25 |
| 8 |
| 35 |
②33×
| 7 |
| 32 |
=(32+1)×
| 7 |
| 32 |
=32×
| 7 |
| 32 |
| 7 |
| 32 |
=7+
| 7 |
| 32 |
=7
| 7 |
| 32 |
③
| 5 |
| 8 |
| 9 |
| 4 |
| 16 |
| 45 |
=
| 5 |
| 8 |
| 16 |
| 45 |
| 9 |
| 4 |
=
| 1 |
| 2 |
④
| 4 |
| 5 |
| 1 |
| 2 |
| 2 |
| 3 |
=
| 4 |
| 5 |
| 1 |
| 3 |
=
| 7 |
| 15 |
⑤
| 7 |
| 4 |
| 1 |
| 9 |
| 1 |
| 4 |
| 1 |
| 9 |
=(
| 7 |
| 4 |
| 1 |
| 4 |
| 1 |
| 9 |
=2×
| 1 |
| 9 |
=
| 2 |
| 9 |
⑥(
| 1 |
| 4 |
| 7 |
| 12 |
| 3 |
| 5 |
=
| 1 |
| 4 |
| 3 |
| 5 |
| 7 |
| 12 |
| 3 |
| 5 |
=
| 3 |
| 20 |
| 7 |
| 20 |
=
| 1 |
| 2 |
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