268一(68一37)简便计算,268-(68+178)简便计算

2020-11-23 12:51:01 字数 1795 阅读 8103

1楼:凌月霜丶

=268-68+37

=200+37

=237

268-(68+178)简便计算

2楼:乐为人师

=200-178=22

268十45一68简便计算

3楼:筱妖孽丶

=268-68+45

=200+45

=245

用简便方法计算268一157十43

4楼:我和春哥

如果是原式的话,无简便计算方法。

268一157-43

=268-(157+43)

=268-200=68

645减268加68怎么简便计算?

5楼:七色彩虹之毛毛

解:645减268加68等于( 445 )∵已知需求出645减268加68等于多少

x - y + z = x - (y - z)∴645减268加68

= 645 - 268 + 68

= 645 - (268 - 68)

= 645 - 200

= 445

答:645减268加68等于445

6楼:黎祖南

简便计算过程方法如下

解:645-268+68

=645+(-268+68)

=645-200

=445

7楼:太阳

645-200-68+68=445

68十37一32十43用简便方法计算

8楼:匿名用户

68+37-32+43

=68-32+37+43

=36+80

=116

268x113一15x268十68x2怎么简便?

9楼:陈长的路上

简便计算方法如下:

= 268x(113-15)十68x2

=268x98+136

=268x100-268x2+136

=26,400

用简便方法计算37×25+268÷67

10楼:叶声纽

37×25+268÷67

=36×25+25+4

=900+25+4

=929.

11楼:匿名用户

37×25+268÷67

=(40-3)×25+(201+67)÷67=40×25-3×25+201÷67+67÷67=1000-75+3+1

=929

望采纳,谢谢!

12楼:匿名用户

37*25+268/67=(9*4+1)*25+(67+67+67+67)/67=9*(4*25)+25+67*4/67=929

268+77+23-68的简便运算?

13楼:boy我最靓

简便算法可以这样计算。

=268+100-68

=368-68

结果等于300.

14楼:

=268-68+(77+23)

=200+100

=300