题目内容
简便计算:
×
×13×11;
(
+
)×
;
×21+28×
;
×
+
×
-
;
(
+
)×8×4;
34÷35×36;
×
+
×
.
| 10 |
| 11 |
| 1 |
| 13 |
(
| 2 |
| 5 |
| 3 |
| 10 |
| 10 |
| 3 |
| 13 |
| 49 |
| 13 |
| 49 |
| 17 |
| 21 |
| 3 |
| 4 |
| 8 |
| 21 |
| 3 |
| 4 |
| 3 |
| 4 |
(
| 3 |
| 4 |
| 5 |
| 8 |
34÷35×36;
| 8 |
| 11 |
| 7 |
| 25 |
| 7 |
| 11 |
| 3 |
| 25 |
| 10 |
| 11 |
| 1 |
| 13 |
=
| 10 |
| 11 |
| 1 |
| 13 |
=10×1,
=10;
(
| 2 |
| 5 |
| 3 |
| 10 |
| 10 |
| 3 |
=
| 2 |
| 5 |
| 10 |
| 3 |
| 3 |
| 10 |
| 10 |
| 3 |
=1
| 1 |
| 3 |
=2
| 1 |
| 3 |
| 13 |
| 49 |
| 13 |
| 49 |
=(21+28)×
| 13 |
| 49 |
=49×
| 13 |
| 49 |
=13;
| 17 |
| 21 |
| 3 |
| 4 |
| 8 |
| 21 |
| 3 |
| 4 |
| 3 |
| 4 |
=(
| 17 |
| 21 |
| 8 |
| 21 |
| 3 |
| 4 |
=
| 4 |
| 21 |
| 3 |
| 4 |
=
| 1 |
| 7 |
(
| 3 |
| 4 |
| 5 |
| 8 |
=
| 3 |
| 4 |
| 5 |
| 8 |
=24+20,
=44;
34÷35×36,
=
| 34 |
| 35 |
=
| 34 |
| 35 |
| 34 |
| 35 |
=34+
| 34 |
| 35 |
=34
| 34 |
| 35 |
| 8 |
| 11 |
| 7 |
| 25 |
| 7 |
| 11 |
| 3 |
| 25 |
=
| 7 |
| 11 |
| 8 |
| 25 |
| 7 |
| 11 |
| 3 |
| 25 |
=
| 7 |
| 11 |
| 8 |
| 25 |
| 3 |
| 25 |
=
| 7 |
| 11 |
| 11 |
| 25 |
=
| 7 |
| 25 |
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