在横线里填上“>”、“<”或“=”.30×9+5______30×(9+5)660÷66______660÷11÷699-24÷3______(
在横线里填上“>”、“<”或“=”.30×9+5______30×(9+5)660÷66______660÷11÷699-24÷3______(99-24)÷3350-(...
在横线里填上“>”、“<”或“=”.30×9+5______30×(9+5)660÷66______660÷11÷699-24÷3______(99-24)÷3 350-(100-5)______350-(100+5)
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(1)30×9+5
=270+5
=275
30×(9+5)
=30×14
=420
275<420
所以30×9+5<30×(9+5);
(2)660÷66
=10
660÷11÷6
=60÷6
=10
所以660÷66=660÷11÷6;
(3)99-24÷3
=99-8
=91
(99-24)÷3
=75÷3
=25
91>25
所以99-24÷3>(99-24)÷3;
(4)350-(100-5)
=350-95
=255
350-(100+5)
=350-105
=245
255>245
所以350-(100-5)>350-(100+5).
故答案为:<;=;>;>.
=270+5
=275
30×(9+5)
=30×14
=420
275<420
所以30×9+5<30×(9+5);
(2)660÷66
=10
660÷11÷6
=60÷6
=10
所以660÷66=660÷11÷6;
(3)99-24÷3
=99-8
=91
(99-24)÷3
=75÷3
=25
91>25
所以99-24÷3>(99-24)÷3;
(4)350-(100-5)
=350-95
=255
350-(100+5)
=350-105
=245
255>245
所以350-(100-5)>350-(100+5).
故答案为:<;=;>;>.
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