脱式1 998+1246+99892 1+2+3+4+.+99+1003 99+99*994 148*99-6525 6
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/08/27 15:47:20
脱式
1 998+1246+9989
2 1+2+3+4+.+99+100
3 99+99*99
4 148*99-652
5 606/13+1994/13
6 306*51/17
7 416*221/17*34/208
8 4848/202
9 4*200+0.4*500
10 0.035*935+0.035+3*0.035+0.07*61*0.5
11 64*125/8
12 0.25*11+0.25
1 998+1246+9989
2 1+2+3+4+.+99+100
3 99+99*99
4 148*99-652
5 606/13+1994/13
6 306*51/17
7 416*221/17*34/208
8 4848/202
9 4*200+0.4*500
10 0.035*935+0.035+3*0.035+0.07*61*0.5
11 64*125/8
12 0.25*11+0.25
1 998+1246+9989
=1000-2+1246+10000-11
=11000+1233
=12233
2 1+2+3+4+.+99+100
=(1+100)*100/2=5050
3 99+99*99
=99(1+99)
=99*100
=9900
4 148*99-652
=148(100-1)-652
=14800-(148+652)
=14800-800
=14000
5 606/13+1994/13
=(606+1994)/13
=2600/13
=200
6 306*51/17
=306*3
=918
7 416*(221/17)*(34/208)
=416*(221*2/208)
=4*221
=884
8 4848/202
=48*101/202
=24
9 4*200+0.4*500
=4*(200+50)
=4*250
=1000
10 0.035*935+0.035+3*0.035+0.07*61*0.5
=0.035(935+1+3)+0.035*61
=0.035(939+61)
=0.035*1000
=35
11 64*125/8
=8*125
=1000
12 0.25*11+0.25
=0.25(11+1)
=12/4
=3
=1000-2+1246+10000-11
=11000+1233
=12233
2 1+2+3+4+.+99+100
=(1+100)*100/2=5050
3 99+99*99
=99(1+99)
=99*100
=9900
4 148*99-652
=148(100-1)-652
=14800-(148+652)
=14800-800
=14000
5 606/13+1994/13
=(606+1994)/13
=2600/13
=200
6 306*51/17
=306*3
=918
7 416*(221/17)*(34/208)
=416*(221*2/208)
=4*221
=884
8 4848/202
=48*101/202
=24
9 4*200+0.4*500
=4*(200+50)
=4*250
=1000
10 0.035*935+0.035+3*0.035+0.07*61*0.5
=0.035(935+1+3)+0.035*61
=0.035(939+61)
=0.035*1000
=35
11 64*125/8
=8*125
=1000
12 0.25*11+0.25
=0.25(11+1)
=12/4
=3
脱式1 998+1246+99892 1+2+3+4+.+99+1003 99+99*994 148*99-6525 6
1/99+2/99+3/99+.+296/99等于多少
99÷(99+1)÷(99+2)×(99-3)÷(99+4)÷(99+5)×(99-6)÷…÷(99+101)
1+2+3+4+.99+100+99+98+97.+1
99-1+2×3
1+2+3+4+5.+99+100+101+102+.+1000+1001+1002 +1003+.+10000=?
99×99+198+1
[(2*2+4*4+6*6+...+100*100)—(1*1+3*3+...+99*99)]/(1+2+3+...+1
(2 *2+4*4+6*6+...+100*100)-(1*1+3*3+5*5+...99*99) 除以(1+2+3+.
99/1+99/2+99/3……+99/98的简便算法.
1*1*1+2*2*2+3*3*3+4*4*4+.+99*99*99*+100*100*100=?
1/2*3+1/4*5+1/6*7+...+1/98*99+1/51+1/52+1/53+...1/99