发布人:繁体字网(www.fantiz5.com) 发布时间:2015-10-24 07:30:00
试题原文 |
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(1)
=
=
=
(2)999
=999
=(999
=1000+100+10, =1110; (3)69.87-6.25-(29.87+3.75), =69.87-6.25-29.87-3.75, =(69.87-29.87)-(6.25+3.75), =40-10, =30; (4)0.05×[ 10.6÷(4.5+
=0.05×[10.6÷5.3], =0.05×2, =0.1; (5)(24+
=24×
=9+
=9+
=9
(6)
=
=(1-
=1-
=1-
=
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