5、甲、乙两车同时从两地相对开出，两地相距285千米，5小时后相遇。甲车每小时行30千米，乙车每小时行多少千米？
6、有一块梯形的菜地，上底是32米，下底是48米，高是60米。如果每平方米收25
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千克白菜，这块地一共收白菜多少千克？
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参考答案
一、判断。
1、× 2、× 3、× 4、× 5、× 6、× 7、√ 8、√ 二、填空。
This article includes some parts, including text, pictur 1、1.152 1.8This article includes some parts, including text, pictur
2、千 1010
This article includes some parts, including text, pictu 3、2.50 3.49
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4、34. 8(.)64(.) 34.865This article includes some parts, including text, pictur
5、> < = >This article includes some parts, including text, pictur
6、3a+bThis article includes some parts, including text, pictur
7、5
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8、6200 2.75 2 300 36This article includes some parts, including text, pictur
9、4.8
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10、3 蓝球 十分之五This article includes some parts, including text, pictur
11、991292 This article includes some parts, including text, pictur
三、计算。
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1、7 20 1.5 0.7 0.72 This article includes some parts, including text, pictur
99 4.8 390 2.796 1
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2、13.77 120 1.216 5.05This article includes some parts, including text, pictur
3、14.4 0.6 2.5
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4、（1）（3.6-0.8）×（1.8+2.05）=10.78This article includes some parts, including text, pictur
（2）42.6÷（7-1）=7.1 四、选择。
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1、B 2、A 3、A 4、C 5、C 6、A 五、解决问题。
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1、4.8×150÷（4.8-0.3）=160（支）This article includes some parts, including text, pictur
2、（1378-91×10）÷4=117（件） This article includes some parts, including text, pictu
3、（46-6）×6÷2=120（平方米） 4、1700÷（4+1）=13.6（棵）This article includes some parts, including text, pictur
13.6×4=54.4（棵） 5、（285÷5）-30=27（千米）
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6、（32+48）×60÷2×25=60000（千克）
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