有理数混合运算计算题100道

1、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)日-3)；3*(-4)+(-28)-7；(-7)(-5)-90H-15) ；1H-1)+0M-(-4)(-1)；18+32-(-2)3-(-4)2x5.(-12)2-(-4)3-2x(-1)2n-1 ；(-2)4+(-4)2*(-1)7) 2m(53+35).(一6)(一7)+(5)(+9)(-3)x(-8)x25；(-616)-28)；-100-27

2、；2. (1) -2.5+(-1/5)(2) 0.4- (-1/4) +1/6(3) 1/3- (-5/6) +2/3 1/3+ (-1/5) +1+2/3(5) 27-18+ (-7) -32(6) 0.5+ (-1/4) - (-2.75) +1/23. (1) 33.1- (-22.9) + (-10.5)(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+253/7 x 49/9 - 4/38/9 x 15/36 + 1/2712x 5/

3、6 - 2/9 x3 8x 5/4 + 1/46- 3/8 - 3/8 -64/7 x 5/9 + 3/7 x 5/95/2 -( 3/2 + 4/5 )7/8 + ( 1/8 + 1/9 )9 x 5/6 + 5/63/4 x 8/9 - 1/39/7 - ( 2/7 - 10/21 )5/9 x 18 - 14 x 2/74/5 x 25/16 + 2/3 x 3/414 x 8/7 - 5/6 x 12/15 )17/32 - 3/4 x 9/243 x 2/9 + 1/35/7 x 3/25 + 3/73/14 xx 2/3 + 1/61/5 x 2/3 + 5/69/22 + 1/1

4、1 - 1/25/3 x 11/5 + 4/345 x 2/3 + 1/3 x 157/19 + 12/19 x 5/6 1/4 + 3/4 - 2/38/7 x 21/16 + 1/2101 x 1/5 - 1/5 x 2150 + 160-40120-144-18+35347+45x2-4160巧2(58+37) - (64-9x5)95- (64-45)178-145-5x6+42812-700- (9+31x11)85+14x (14+208-26)120-36x4-18+35(58+37)- (64-9x5)(6.8-6.8x0.55)-8.56-1.6-4= 5.38+7.85-5.37=7.2-0.8-1.2x5= 6-1.19x3-0.43=6.5x (4.8-1.2x4)=5.8x (3.87-0.13) +4.2x3.7432.52- (6+9.728-3.2) x2.5(7.1-5.6) x0.9-1.15 -2.55.4-2.6x (3.7-2.9) +0.6212x6- (12-7.2) -612x6-7