新人教版數(shù)學(xué)五年級(jí)上冊(cè)計(jì)算題專題練習(xí)題

1、計(jì)算題專題一、豎式計(jì)算。1、(得數(shù)保留一位小數(shù))(1)0.38 )0.233.01 7(2) 5.79 3.6(3) 4.6 4.25(4)6攵4(5) 52.95 號(hào)5(6)(7) 4.95 414.7 x0.59(8) 84.01 -31 (用乘法驗(yàn)算)(9) 0.646 /9(10)2、(除不盡的保留兩位小數(shù))(11) 3 勺.27.525 0.38(12) 2.7-0.36(13) 88.4 千.7(14)(15) 4+ 155.63 +6.1(16) 91.2+0.57(17) 84.84 +1.2(18)(19) 56+7756.29 +6.1(20) 1.47+4.2(21) 1

2、9.19+0.95(22)(23) 23 + 33+ 16(24)7.41 +0.57(25 ) 21 +240(26)9.68(27) 3.85 +0.76(28) 53.3+ 4.7(29) 56.29+ 6.1(30)28.74+313、得數(shù)用循環(huán)小數(shù)表示。(31) 0.2 + 0.06+ 15(32) 13+11(33) 30.1 +33(34)17(35)7.8 +2.2(36) 5.52 得(37) 67.8+11(38)二、能簡(jiǎn)便計(jì)算的要簡(jiǎn)便計(jì)算(39) 2.5 x 3.6 x0.9 (100-8)(40)12.5x0.3 x8.8(41)1.25(42) 42+ (5.25+

3、0.25)8.4 x 1.5 +1.8(43) 0.4+ 12.6+0.28x0.2(44) 8.4(45) 12.5x 4.5+4.5x 12.5+12.51.25x0.3(46) 1.2x98(47)2.4x(48) (20 0.8 x9) 5. 7-12.5x0.8)(49) 0.8x13 3.12+ 5.28(50) 118-(11.4(52)(0.25+2.5 +25) x 0.4(53) 3.5x(51) 50x (6.7 x 0.02)1.02+35x0.098(54) 0.27x99+0.27(55) 2.5 x3.2 x 0.125(56) 13.5 +2.5 +0.125

4、+0.4 +8(57) 2.61x4.5 +2.61 x6.5 2.61(58)3.4 x.01(59) 6.5x1.98(60) 6.8 8.75 -0.53+23.4 7.2(61) 13.75-0.125 275(62) 1.5(63) 22.9- 13.68+12.68(64) 4.7x 11-4.7(65) 28.8x6.3-6.3x 18.8(66) 4.8+5.2+ 42.78+1.59(67) 5.37 (2.37+1.8)(68) 10.01-(69) 2.85+ 1.25 + 0.8(70)10.5x 0.25x12(71) 3.7x91.6+7.3x 91.6-91.6(

5、72) 3.2x0.82+3.2x 1.18(73) 4.05+0.5 1.14(74) 1.58x99+1.58(75) 12.5 8.4 w.5渴(76) 7.75 x 20 + (3.24-3.04)(77) 43.2-1.8 x 3- 4.6(78) 4.2h.8+2.2 4.2(79) 0.87 3.16+4.64(80) 12.5 x4.8(81) 4.7 m.7+4.7 6.34.7(82) 12.5 a2 0.25(83) 23.4+7.2+6.5x 0.8(84) 20.64-9.83-0.17(85) 6.8+ (1.2+0.5) x 0.04(86) 7.26- 5.4+

6、1.74-1.6(87) 2.06+ 2.06x 99(88) 9.5 101(89) 100 2.7+ 0.36-2.5x 5(90) (1.62+ 1.62+1.62+ 1.62) +1.8x2.5(91) 2.8x0.5+ 0.5x28.2-0.5(92) 3.2x2.5x1.25(93) 7.2 + (7.22-6.4) +0.9(94)4.65 32+2.5 46.5+0.465 430(95) 7.25 e7.875+7250.7875+72500.053375(96) 0.46x1.9+ 0.54x 1.9(97) 3.45x 102 (98)12.5 x88-3.15三、解方程

7、(101) 8x=24(102) x + 0.5=1.2+ x=7.11(99)13.65-0.25-6(100) 28.98 63(103)x 3.8=9.53 (104)4.06(105)x +1.5=1.5 (106)x7=402.4x=26.4(107)3x24=9(108) 13x+2(109) 96+ 6+4x=56 (110) 18x0.610x=4.263x-1.2x=9(111)3.6x+2x1.4= 8.2(112)(113) 0.4 (x-3) =0.72x0.2(114) 1.5x (10 x) =3(115)2.8+ (3 + x) =3.5(116) 0.8 (x

8、+ 4.8) =5.2 -45+18=21(117)(x-6) +0.5=3(118)4x(119) 1.6x-9=3.8 5=1.1(120) 4(0.9 +x)=4.8(121) (x1.9) 一(122) 0.4 x20-0.4x=6 (7- 1.4)x=2.8(123)24x 8x=28.8 (124)4.5x+1.6x=42.7(125)(126) 9x-52x6=4.8-1.8)=2.4(127)(2.5+ x) +0.8=5(128)0.5x (x(129) 22.5x2+5x=1350.4x=6(130)4x (0.3 +x)=4.8(131)0.4x20(132)(4x -0.32) + 1.6=2.08 (133)3.5x-x=17.5+ 110(134)4x10=x(135)8.9 - 5x=2.72xx 0.7=18(136)3.54x5-1.7x=13.45(137)1.6x(140) 3.5x-0.8x(138) 4x-0.32 + 1.6=2.08(139) 28 x + 3.6 = 20= 11.34(141) 9x14x 5.5= 58(142) 6.2x x = 41.6+ x)=3.5 x0