1、有理数加减乘除混合运算练习题( )( 154) (2.4) 1275420361 73182( ) (5 ) 15 (1 1 3 )734712452(1 ) 8(5)( )5 ( + )11 31214372( )42113 0.34 + (13) 0.34 8(25)(5) 32723175(13)(134) ( ) (4 )(5 )+(4 )31367187214181(1650+3 )(2) (0.5)(3 )+6.7555 412117887.21+43 +53 12.79 (6)(4)+( 32)(8)3 219 ( )+|1 | ( 9)(4)+ (60)12 7222( )1
2、+ ( ) |3|10(15) 4975218421 31 (82 0.04) 1 ( )2 4331 53271651(2 3 +1 )(1 )(7) 128761(6)(7)+(5)(+9)(-3/2)+(-4/3)+(-5/4)+(-6/5)+(-7/6)-(-8/7)23+(-17 )+6+(-22)-2+3+9-(4/3-6/1)54.6-(-3/4+1.6-4-3/4)1/2+3+5/6-7/1239+-23+0+-16-18+29+-52+60-3+-2+-1+0+1+2-301+125+301+-75 -1+-1/2+3/4+-1/4-7/2+5/6+-0.5+4/5+19/6
3、 -26.54+-6.14+18.54+6.141.125+-17/5+-1/8+-0.6+4+(-8)+9+7+(-9)-(-5) 23+(-17 )+6+(-22) -2+3+1+(-3)+2+ (-4)(-17/4)+(-10/3)+(+13/3)+(11/3) (-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4) |(-7.2)-(-6.3)+(1.1)| |(-5/4)-(-3/4)|-|1-5/4-|-3/4|)(-27)(-25)(-3)(-4) (-3/2)(-4/3)(-5/4)(-6/5)(-7/6)(-8/7) 3.9-(+10) +(-2)-(-8)+ 5 53/1+(-4/3)+13/2-8.25-0.001+0.918-(44/1)+3.335