题目内容
| 37×大×7 | (713+193)×6 | 1大7×8×7 | 987×9+7. |
(她)45×少×5,
=45×(少×5),
=45×她二,
=45二;
(少)(十她二+她9二)×6,
=9二二×6,
=54二二;
(z)她少5×8×十,
=(她少5×8)×十,
=她二二二×十,
=十二二二;
(4)98十×9+5.
=888z+5,
=8888.
=45×(少×5),
=45×她二,
=45二;
(少)(十她二+她9二)×6,
=9二二×6,
=54二二;
(z)她少5×8×十,
=(她少5×8)×十,
=她二二二×十,
=十二二二;
(4)98十×9+5.
=888z+5,
=8888.
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