395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 02:27:52
395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77

395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77
395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77﹚,

395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77
395+2508+115
=395+115+2508
=510+2508
=3018
1382-82×15
=1382-1230
=152
688-112-88
=688-(112+88)
=688-200
=488
153÷153+219×3
=1+657
=658
﹙567-567﹚÷90
=0÷90
=0
451+549÷3-95
=451+183-95
=539
1000-645-345
=1000-(645+345)
=1000-990
=10
125+75×180
=125+13500
=13625
540-240÷12
=540-20
=520
246÷9×6
=246×6÷9
=1476÷9
=164
680-202+98
=680-200-2+100-2
=580-4
=576
234×98÷49
=234×2
=468
18×13×150
=18×150×13
=2700×13
=35100
630×33÷21
=630÷21×33
=30×33
=990
2236÷13÷43
=172÷43
=4
6300÷2÷63
=6300÷63÷2
=100÷2
=50
888-﹙88+77﹚
=888-88-77
=800-77
=723

395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77 395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77 19.99 ×36 -199.9× 1,8 +1999× 0,82 能简便计算的用简便计算. 17.48×37+17.48×82-174.8×1.9 = 看看我这个3元1次方程组4x-9z=173x+y+15z=18x+2y+3z=2还有一个,好人有好报2x+4y+3z=93x-2y+5z=115x-6y+7z=13 154×74+154×41-115×54怎么简算?怎么简算(⊙o⊙)?. 342-420÷60,245+255÷30,218-178+82,5×182+18×5,82×﹙351+104﹚,﹙522-477﹚×140,9090÷15×20,63×63+37×36,35×9÷3 10-9.8+9.6-9.4+9.2-9+...+0.8-0.6+0.4-0.2 计算:(+1)+(-3)+(+5)+(-7)+⋯+(+97)+(-99) (+1)+(-2)+(+3)+(-4)++(+99)+(-100)等于几? (-2)+4+(-6)+8++(-98)+100等于几? 简算1-2+3-4+5-6+7-8+…+95-96+97-98+99 |x+4|+|5-x| 1+(-2)+3+(-4)+5+(-6)+…+2003+(-2014) (-1)+2+(-3)+4+(-5)+6+⋯+2010+(-2011) 100+99-98+97-96+…+3-2+1 ﹣2+4-6+8-10+...-98+100 2002+2001-2000-1999+1998+1997-1996-1995+……+10+9-8-7+6+5-4-3+2+1=?