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