脱式计算.205×68-8960(2808÷26-10.8)×2.5225-225÷135×112+12323÷[125×(0.5+13)].-数学
题文
脱式计算. 205×68-8960 (2808÷26-10.8)×2.5 2
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答案
(1)205×68-8960, =13940-8960, =4980; (2)(2808÷26-10.8)×2.5, =(108-10.8)×2.5, =97.2×2.5, =243; (3)2
=2
=2
=
=1
(4)
=
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题文
脱式计算. 205×68-8960 (2808÷26-10.8)×2.5 2
|
答案
(1)205×68-8960, =13940-8960, =4980; (2)(2808÷26-10.8)×2.5, =(108-10.8)×2.5, =97.2×2.5, =243; (3)2
=2
=2
=
=1
(4)
=
|