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1、精选优质文档-倾情为你奉上六年级计算能力提升练习习题(近1000道精品)1、 直接写出得数。= 1= 8= 7 12= = 14=30 1.43.5 1.33.7 ()12(估算)49301 3500.02 1.940.5 99301-199= 0.24300= = 2.5+0.25= - = 0.36= 2.4= 4.2 = 1.25= 1= 60%= 15= 6.810%= 4.5= = 2.50.4 = 1.50.05 4591 33 254 1= = = = = = = = =4.9:6.319 12= 11%= 9.5+0.5= += 02=1= = = = 9=2、计算(能简算的简
2、算)0.8331.25 10 9.564.8751.44 6 47817 46101 15.624 720.25 142143 3 + + 18(+) 7+5 ()24) (+) (+) 73.2525.48 6434 (4) (111999)56() ()160 15(25) 6.41.253 0.254() 16.57.2(12.5) 91431679208 2.371.751.631.25 () () (32.574.41.2)0.01 197127.5 280(7.286.72) 15.632(1)3.6 ()12.5 16554501814 416 4.618.415 99.9999
3、99.9 251.2548 182 2801.25 0.73.94.36.1 7.35997.35 3 4312 75 ()24 20532656 (0.42.50.0750 () 411.750.4 49625016 10.2(1.252.5)1.5 ()45 2() 0.31(3.32.95) 4949854985 ()() () ()35 24() 3.744.86.23.743.74 () 23752.542480 8.64.3 (0.25) 3.6(4.72.3)1.2 1.40.686 17.18.81.2 3.625 (3217)(25)() (2121) (99)9 () ()
4、30 3 41() 4 5841 ()25 13.098.124.88 12103450075() ()1511 37.519.52.543 5 4 (+ ) 5 (+)27 6 () (- ) (12 - ) + + - 6 - 6(+ 7 ) 25 + - 1- + (5 - ) 12(+ + ) (125 34) (+ )7 5 199 (24 + ) 78+ 0.4-25 + 0.4-259405-29402821 920-1680407 690+4752-398 97-126+43 264-1255 148+332864-753602432+730 2100-94+4854 51+(
5、2304-2042)234215+(4361-716)81 (247+18)2725 36-720(36018)1080(63-54)80 (528+912)5-6178 85284138-904264+318-828069 (174+209)26- 9000 814-(278+322)15 9 + - 7 + 6 (+ ) 8 + 8 31 - - ( ) 18 14 + 14 3 + + 3/7 + + + + 45 + 15 + + + 101 21 5016040 (58+370)(64-45) 120-14418+35 347+452-416052 (58+37)(64-95) 95
6、(64-45) 178-14556+42 420+580-642128 812-700(9+3111) (136+64)(65-34523) 85+14(14+20826) (284+16)(512-820818) 120-36418+35 (58+37)(64-95) 153 0.653 () 10 - - + ()5 22203723 6.24.53.8 () 1010 7(0.352) () 4143 () 8.50.7556.51 10.540.90.75 999 24()3 () () () () (1) (5) (1) (3211) () 60() 17504501832 0.81
7、(3.22.95) () 10952635 2.53.70.4 12() (910) 101.125.935.10.85 ()(1) 2.62 31 1.919.9199.91999.90.4 () () 11.2512.21 81.25 44 () 4.81.23.51.4 1.80.258.24 (10) 168.1(4.320.4)() 25.12517.4 0.3874 7.83(1.262.17)0.24 1712 () 12.7(6.482.43.9) 2919929 53.9(2.1823.9) () (20.121)5.1 7.65.41.95.4 0.2(0.15) 24(5
8、) 7.29.9 4035.754.25 1640.75390.75 1516 3.641(2.09) 3、解方程。(20分)= (+)= 8x3 x: 12 10%110 5X3= X= 60%28 1.60.1250.575x0.5x6.25 x30 6:x:x:10=: 0.4:x=1.2:2 =:=:x 0.8:4=x:8 :x=3:121.25:0.25=x:1.6 = =x: =6: = 45:x=18:26 2.8:4.2=x:9.6 :x=: 2.8:4.2=x:9.6x:24= : 8:x=:=x: 0642.4x6x x x x0.71050x40 1.3x5.220 x3
9、.6618 x X X= 2X + = 70%X + 20%X = 3.6X=20 25% + 10X = X - 15%X = 68XX121 5X3 X126X5 =13.4 3X=X= XX= 4X6=2 X= X = X = X = 4x3 9 = 29 x + x = 4X21=4 6X5 =13.4 X-X= 46385X= X= X=X=12 X= X=X= X-0.25= =30% 4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 = X+X=18 X( + )= x0.375x= x+=4 XX12 5 X2.4580.365- x =
10、 (x- 4.5) = 7 x- 25%x = 10x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 X25%X=90 XX= X X= 2X + = 70%X + 20%X = 3.6 X=2025% + 10X = X - 15%X = 68 XX121 5X3 X12 6X5 =13.4 3X= X= XX= 4X6=2 X= X = X = X = 4x3 9 = 29 x + x = 4 X21=4 6X5 =13.4 X-X= 4638 5X= X= X= X=12 X= X= X= X-0.25= =30% 4+0.7X=102 X+X=42 X+
11、X=105 X-X=400 X-0.125X=8 = X+X=18 X( + )= x0.375x= x+=4 XX12 5 X2.458 0.365- x = (x- 4.5) = 7 x- 25%x = 10 X25%X=90 x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 XX= X X= 2X + = 70%X + 20%X = 3.6 X=20 25% + 10X = X - 15%X = 68 XX121 5X3 X= XX= 4X6=2 X= X = X = X = 4x3 9 = 29 x + x = 4X21=4 6X5 =13.4 X-X= 46385X= X= X=X=12 X= X=X= X-0.25= =30% 4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 = X+X=18 X( + )= x0.375x= x+=4 XX12 5 X2.4580.365- x = (x- 4.5) = 7 x- 25%x = 10x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 专心-专注-专业