文档介绍：=(+8,76 ) +
(8+10)
=+
=10+=
9123- ( 123+ )
=9123-123-
=9000-
=
+
= ( +)
==
9999x1001
=9999x (1000+1 )
=9999x1000+9999x1
=10008999
- +
=(- )
=+
x ( + )
=
=83
++
= 10+
=
933-157-43
=933- ( 157+43 )
=933-200
=733
4821-998
=4821-1000+2
=3823
132x125x25
=4x8x125x25
=(4x25 ) x (8x125 )
=100x1000
=100000
9048168
=(2600+2600+2600+1248 ) +26
=260016+260(R26+260(R26+1248“69
=100+100+100+48
=348
28814- 43
=(1290+1591 ) 4- 434 =1290+43+1591+43
=
=30+37 -
=-
=(-)
=(-)
=(-)
= x (-)
=[(-1,25)]
= x []
=(4x25)
=4237
+18^-
=+12-
=-
=
+-47
=52+28-47
=80-47
(80-)x 5 分之 2-
=-
=-
8x7 分之 -)]
[-3] + [-2]+[-1]+0+1+2= -3
=8x4/7v[14-]
=8x4/74-4
=8/7
2700 x ( 506 - 499 ) 4-900
=2700x74-900
=18900・900
=21
- ( - 90,85 ) +
= - +
= -
=10
(14-1-1) 4-
=(1-1) 4-
=0+
=0
+ ( 3 -+) xl
= +
= +
=
[-18]+29+[-52]+60= 19
1/2*(-4/15)/2/3
[-301]+125+301+[-75]= 50
[-1] +[-1/2]+3/4+[-1/4]= -1
[-7/2] + 5/6+[-] +4/5+19/6 =
[-]+[-]++= -8
+[-17/5] + [-1/8] + [-] = -3
[-98+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
46(-3/4+164-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/178
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
-3x+2y-5x-7y
1437x27 + 27x563 (75- ( 12+18)) 4-1