早教吧作业答案频道 -->数学-->
在横线上填上合适的数.(1)520+87+80=+(+)(2)145+62+255+138=(+)+(+)(3)39×5×20=39×(×)(4)25×(4+8)=×+×.
题目详情
在横线上填上合适的数. (1)520+87+80=______+(______+______) (2)145+62+255+138=(______+______)+(______+______) (3)39×5×20=39×(______×______) (4)25×(4+8)=______×______+______×______. |
(1)520+87+80=______+(______+______)
(2)145+62+255+138=(______+______)+(______+______)
(3)39×5×20=39×(______×______)
(4)25×(4+8)=______×______+______×______.
(1)520+87+80=______+(______+______)
(2)145+62+255+138=(______+______)+(______+______)
(3)39×5×20=39×(______×______)
(4)25×(4+8)=______×______+______×______.
(1)520+87+80=______+(______+______)
(2)145+62+255+138=(______+______)+(______+______)
(3)39×5×20=39×(______×______)
(4)25×(4+8)=______×______+______×______.
(1)520+87+80=______+(______+______)
(2)145+62+255+138=(______+______)+(______+______)
(3)39×5×20=39×(______×______)
(4)25×(4+8)=______×______+______×______.
▼优质解答
答案和解析
(1)520+87+80=87+(520+80);
(2)145+62+255+138=(145+255)+(62+138);
(3)39×5×20=39×(5×20);
(4)25×(4+8)=25×4+25×8.
故答案为:78,520,80,145,255,62,138,5,20,25,4,25,8. (1)520+87+80=87+(520+80);
(2)145+62+255+138=(145+255)+(62+138);
(3)39×5×20=39×(5×20);
(4)25×(4+8)=25×4+25×8.
故答案为:78,520,80,145,255,62,138,5,20,25,4,25,8. (1)520+87+80=87+(520+80);
(2)145+62+255+138=(145+255)+(62+138);
(3)39×5×20=39×(5×20);
(4)25×(4+8)=25×4+25×8.
故答案为:78,520,80,145,255,62,138,5,20,25,4,25,8. (1)520+87+80=87+(520+80);
(2)145+62+255+138=(145+255)+(62+138);
(3)39×5×20=39×(5×20);
(4)25×(4+8)=25×4+25×8.
故答案为:78,520,80,145,255,62,138,5,20,25,4,25,8.
(1)520+87+80=87+(520+80); (2)145+62+255+138=(145+255)+(62+138); (3)39×5×20=39×(5×20); (4)25×(4+8)=25×4+25×8. 故答案为:78,520,80,145,255,62,138,5,20,25,4,25,8. |
(2)145+62+255+138=(145+255)+(62+138);
(3)39×5×20=39×(5×20);
(4)25×(4+8)=25×4+25×8.
故答案为:78,520,80,145,255,62,138,5,20,25,4,25,8.
(2)145+62+255+138=(145+255)+(62+138);
(3)39×5×20=39×(5×20);
(4)25×(4+8)=25×4+25×8.
故答案为:78,520,80,145,255,62,138,5,20,25,4,25,8.
(2)145+62+255+138=(145+255)+(62+138);
(3)39×5×20=39×(5×20);
(4)25×(4+8)=25×4+25×8.
故答案为:78,520,80,145,255,62,138,5,20,25,4,25,8.
(2)145+62+255+138=(145+255)+(62+138);
(3)39×5×20=39×(5×20);
(4)25×(4+8)=25×4+25×8.
故答案为:78,520,80,145,255,62,138,5,20,25,4,25,8.
看了 在横线上填上合适的数.(1)...的网友还看了以下:
我们把离心率为e=(√5+1)/2的双曲线x^2/a^2-y^2/b^2=1(a>0,b>0)成为我 2020-03-30 …
利用杨辉三角的规律,计算:2的5次方-5乘2的四次方=10乘2的三次方-10乘2的二次方=5乘2- 2020-05-15 …
由5/2=2.5可知?A.5能被2除尽B.5是2的倍数C.2是5的因数从1到100中有因数7的数共 2020-05-22 …
5×√80÷2怎么化简 2020-06-03 …
下列关于-5+2-8的读法正确的是A减5正2减8B负5正2减负8c负5正2负8D负5与2的和减去8 2020-06-07 …
5千克比8千克轻百分之几.五年三班期末考试,数学及格的有45人,不及格的有3人,及格率2是5的百分 2020-06-13 …
学校为六一联欢会买了糖它由奶糖、水果糖、酥糖按3比5比2的混合而成.一共买了这样的糖80千克,其中 2020-06-21 …
阅读:|5-2|表示5与2差的绝对值,也可理解为5与2两数在数轴上所对应的两点之间的距离;|5+2 2020-07-09 …
用80厘米的铁丝,做成一个长和宽和高的比是5:3:2的长方形体框架,这个框架的长、宽、高分别是多少 2020-07-29 …
填空数字.1.空气中氧气约占`1\5,氧气约占4\5.氧气约占空气的()%,空气中氧气约占()成.2 2020-12-20 …