在横线上填上“>”“<”或“=”240÷(20-5)______240÷20-5140+0÷7______(140+0)÷7(72-5)×4__
在横线上填上“>”“<”或“=”240÷(20-5)______240÷20-5140+0÷7______(140+0)÷7(72-5)×4______72-5×4(84...
在横线上填上“>”“<”或“=”240÷(20-5)______240÷20-5140+0÷7______(140+0)÷7(72-5)×4______72-5×4(84+16)×4______84+16×4.
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(1)240÷(20-5)
=240÷15
=16;
240÷20-5
=12-5
=7;
16>7;
所以,240÷(20-5)>240÷20-5;
(2)140+0÷7
=140+0
=140;
(140+0)÷7
=140÷7
=20;
140>20;
所以,140+0÷7>(140+0)÷7;
(3)(72-5)×4
=67×4
=268;
72-5×4
=72-20
=52;
268>52;
所以,(72-5)×4>72-5×4;
(4)(84+16)×4
=100×4
=400;
84+16×4
=84+64
=148;
400>148;
所以,84+16)×4>84+16×4.
故答案为:>,>,>,>.
=240÷15
=16;
240÷20-5
=12-5
=7;
16>7;
所以,240÷(20-5)>240÷20-5;
(2)140+0÷7
=140+0
=140;
(140+0)÷7
=140÷7
=20;
140>20;
所以,140+0÷7>(140+0)÷7;
(3)(72-5)×4
=67×4
=268;
72-5×4
=72-20
=52;
268>52;
所以,(72-5)×4>72-5×4;
(4)(84+16)×4
=100×4
=400;
84+16×4
=84+64
=148;
400>148;
所以,84+16)×4>84+16×4.
故答案为:>,>,>,>.
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