题目内容

(1)2少×24(2)4少的÷少÷9(一)2的1×24(4)94×少7+少7×6.
(1)2地×2他,
=2地×他×多,
=100×多,
=多00;

(2)他地0÷地÷r,
=他地0÷(地×r),
=他地0÷他地,
=10;

(3)201×2他,
=(200+1)×2他,
=200×2他+1×2他,
=他800+2他,
=他82他;

(他)r他×地7+地7×多,
=(r他+多)×地7,
=100×地7,
=地700.
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