文档介绍：1•计算-(-)x()-?(-)；(-3)x(-5)
2；(-3)2-(-6)；(-4x32)-(-4x3)(-8-?23)-(-8-?2)
(-2)2-(-52)x(-1)5+87-?(-3)x(-1)
1•计算-(-)x()-?(-)；(-3)x(-5)
2；(-3)2-(-6)；(-4x32)-(-4x3)(-8-?23)-(-8-?2)
(-2)2-(-52)x(-1)5+87-?(-3)x(-1)
-9+5x(-6)-(-4)2-?(-8)；2x(-3)3-4x(-3)+1
-8+4-?(-2)；6-(-12)-(-3)；3(-4)+(-28)-?7；
(-7)(-5)-90-?(-15)；U(-1)+0-?4-(-4)(-1)；
18+32-?(-2)3-(-4)2x5.(-12)2-?(-4)3-2x(-1)2n-1；
((-2)4+(-4)2(-1)7)2(53+35).
(—6)—(—7)+(—5)—(+9)
4/7x5/9+3/7x5/95/2-(3/2+4/5)
(-5)x(-3)-15xl+〔一()x24〕
-7+3-6；
4/7x5/9+3/7x5/95/2-(3/2+4/5)
4/7x5/9+3/7x5/95/2-(3/2+4/5)
(-3)x(-8)x25；(-616H-28)；-100-27；
2..(1)-+(-1/5)(2)-(-1/4)+1/6(3)1/3-(-5/6)+2/3
1/3+(-1/5)+1+2/3(5)27-18+(-7)-32
(6)+(-1/4)-(-)+1/2
3.(1)-(-)+(-)(2)(-8)-(-15)+(-9)-(-12)
(3)-2/3+(-1/6)-(-1/4)-1/2(4)3/5-3/2+(-11/4)+13/4
.125*3+125*5+25*3+25
43/7x49/9-4/38/9x15/36+1/27
12x5/62/9x38x5/4+1/46-3/83/8-6
(58+37)4-(64-9x5)95-(64-45)
3/4x8/9-1/3
57/8+(1/8+1/9)9x5/6+5/6
7x5/49+3/146x(1/2+2/3)
8x4/5+8x11/531x5/65/6
9/7-(2/710/21)5/9x1814x2/7
4/5x25/16+2/3x3/414x8/75/6x12/15)
17/323/4x9/243x2/9+1/3
5/7x3/25+3/73/14xx2/3+1/61/5x2/3+5/6
9/22+1/114-1/25/3x11/5+4/3
45x2/3+1/3x157/19+12/19x5/61/4+3/4-2/3
8/7x21/16+1/2101x1/51/5x21
50+160-40120-144-18+35347+45x2-4160-52
178-145-5x6+42812-700-?(9+31x11)
58+370)4-(64-45)420+580-64x21-28136+6x(65-