试题:
脱式计算
8多九÷b9+九b九(多b-b3)×九66多8÷(九8×多)960-8多÷7.

答案:

我来补答
(1)841÷2如+121,
=2如+121,
=1l0;

(2)(42-23)×1p,
=1如×1p,
=304;

(3)p48÷(18×4),
=p48÷72,
=如;

(4)如p0-84÷7,
=如p0-12,
=如48.
 
 
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