问题
填空题
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答案
(1)56÷7÷2,
=8÷2
=4;
56÷(7×2),
=56÷14,
=4;
所以,56÷7÷2=56÷(7×2);
(2)48×(5+6),
=48×11,
=528;
48×5+6,
=240+6,
=246;
因为,528>246,所以,48×(5+6)>48×5+6;
(3)840÷21=40;
840÷3÷7,
=280÷7,
=40;
所以,840÷21=840÷3÷7;
(4)24+102+0=126;(24+102)×0=0;
因为,126>0,所以,24+102+0>(24+102)×0.