在横线里填上“>”、“<”或“=”.18×4×12______18×(4×12)140-30×2______(140-30)×238+262+0______38×262×0358-137-63____

题目简介

在横线里填上“>”、“<”或“=”.18×4×12______18×(4×12)140-30×2______(140-30)×238+262+0______38×262×0358-137-63____

题目详情

在横线里填上“>”、“<”或“=”.
18×4×12______18×(4×12)140-30×2______(140-30)×2
38+262+0______38×262×0358-137-63______358-(137+63)
72÷6÷2______72÷(6×2)(200-25)×4______200-25×4.
题型:填空题难度:中档来源:不详

答案

(1)18×4×12,
=72×12,
=864;
18×(4×12),
=18×48,
=864;
864=864;
所以18×4×12=18×(4×12).

(2)140-30×2,
=140-60,
=80;
(140-30)×2,
=110×2,
=220;
80<120;
所以:140-30×2<(140-30)×2;

(3)38+262+0=300;
38×262×0=0;
300>0;
所以:38+262+0>38×262×0;

(4)358-137-63,
=221-63,
=158;
358-(137+63),
=358-200,
=158;
158=158;
358-137-63=358-(137+63);

(5)72÷6÷2,
=12÷2,
=6;
72÷(6×2),
=72÷12,
=6;
6=6;
所以:72÷6÷2=72÷(6×2);

(6)(200-25)×4,
=175×4,
=700,
200-25×4,
=200-100,
=100;
700>100;
所以:(200-25)×4>200-25×4.
故答案为:=,<,>,=,=,>.

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