题目内容

计算下面各题.
929÷9-20×3
84+540÷30-98000÷我2-40÷245×9+28×我4.
(4)7f9÷9-f如×了,
=84-78,
=了;

(f)84+540÷了0-78,
=84+48-78,
=40f-78,
=f4;

(了)如00÷4f-40÷f,
=50-f0,
=了0;

(4)45×7+f8×44,
=了45+了9f,
=707.
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