额~~~~~
偶也在找啊
不过偶就大发慈悲
前两题偶会的!!(算式哦!!!)
1.(199-47)÷2
=152÷2
=76(枚)
2. 10+1=11(分) 15+1=16(分)
11×16=176(分)=2时56分
5:时30分+2时56分=8时26分
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偶又找到了一题了!!
3.(1)20×8×2+20×10×2+8×10×2
=320+400+160
=880(平方分米)
(2)20×8×4
=160×4
=640(立方分米)
640÷(10×8)
=640÷80
=8(分米)
最后一题偶再找找吧!!O(∩_∩)O谢谢了!!!O(∩_∩)O~
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经过偶的九牛二虎之力终于帮你搜到了!!!!
好难搜的!!!
没人回答的!!!~~~~(>_<)~~~~ 呜呜!!要可怜可怜偶哦!!
4. 60×40=2400(平方米)
2400÷50=48(米)
(60+48)×2
=108×2
=216(米)
参考资料:偶也是五年级哦!!不过后两题偶在找呢!!找到了偶告诉你!!!