六年级解方程简便运算强化训练

1、2010-2011第二学期六年级（解方程、简便运算）强化训练班级： 姓名： 成绩：一、解方程。 3x= x= x= =30% x = x-0.25= x=20 50% x + x = 3.6 25% x + 15%x = x - 15%x = 68 x x = xx121 xx= x + x = 4 x+x=20 6x5 =13.4 4 x638 x+=4 x3 9 = 29 5x3 4x6=20.365- x = x - 0.8 x = 16+6 ( x - 4.5) = 7 x12 2(x-2.6)=8 x-x=x( + )= x0.375 x = 20 x 8.5= 1.5 x - x

2、-4= 21 4+0.7x=102 x - 25% x = 10二、简便运算。（- ）60 36 0.65101（1.25-0.125）8 258 24(-) (12+) 7 1310.2 2.699 + 27.53.7-7.53.7 +101- 99 + -103-2- 0.921.410.928.59 2.254.8+77.50.48 4.87.8+780.52 1.311.61.61.3 (15) 4.3612.58 2.5321.25 1.250.8 9.63.23 15.20.254 33 146.5-（23+46.5） 12.89-(3.89-1.6) 73.8-1.64-13.8

3、-5.36 15.75+3.59-0.59+14.255.48-（9.4-0.52） 12.065.072.94 30.349.7610.34 二、简便运算。（712 - 15 ）60 363435 0.65101（1.25-0.125）8 2538 8 24( - - - ) (12+ ) 7 1310.2 2.699 x - 45 x -4= 21 47 613 +37 613 27.53.7-7.53.7 0.921.410.928.59 710 101- 710 35 99 + 35 30.349.7610.34 2.254.8+77.50.48 4.87.8+780.52 1.311

4、.61.61.3 227 (152728 )215 4.3612.58 2.5321.251.25 0.8 9.63.23 15.20.254 89 89 89 89 12.065.072.94 146.5-（23+46.5） 12.89-(3.89-1.6) 73.8-1.64-13.8-5.36 15.75+3.59-0.59+14.255.48-（9.4-0.52） 4 x3 9 = 29 5x3 4x6 =2 0.365- 34 x = 35 x - 0.8 x = 16+6 23 ( x - 4.5) = 7 x 12 2(x-2.6)=8 25 x-13 x=310 4+0.7x=

5、102 x( 16 + 38 )=1312 x0.375 x = 20 x 8.5= 1.5 12 x - 25% x = 10 二、简便运算。（712 - 15 ）60 363435 0.65101 35 99 + 35 （1.25-0.125）8 2538 8 710 101- 710 27.53.7-7.53.7 (12+ ) 7 1310.2 2.699 710 101- 710 47 613 +37 613 0.921.410.928.59 2.254.8+77.50.48 4.87.8+780.52 1.311.61.61.3227 (152728 )215 4.3612.58 2.5321.251.25 0.8 9.63.23 15.20.254 89 89 89 89 3 3 146.5-（23+46.5） 12.89-(3.89-1.6) 73.8-1.64-13.8-5.3