1、小数四则混合运算专项练习276题有答案ok小数混合运算专项练习276题有答案(1)0.111.8+8.20.11 (2)2.3499+2.34 (3)5.42.70.8(4)132101 (5)6.251.250.8 (6)2.516(7)6.331016.33 (8)1.561.7+0.441.7(9)1.83.412.90.03(10)0.125322.5(11)1.25818.50.25818.5 (12)8.480.80.9(13)1.252.4 (14)5.851.3+0.56(15)17.176.83.26.17 (16)5.41.3+2.150.2 (17)8.40.6+8.40
2、.4(18)16.810.1 (19)10.90.90.2+1.8 (20)1.253.20.25(21)1.36+4.85+2.64+6.15 (22)98.52.54 (23)5.42.53.72.9(24)0.843.680.01 (25)83.712.830.17 (26)5.96+133.23.12(27)4.322.41.7;(28)16.24.5+3.84.5;(29)9.053.863.14;(30)7.28+0.720.9(31)4.32+5.43+6.68 (32)17.176.83.2 (33)5.299+5.29(34)16.810.1 (35)2.749.5+50.2
3、74 (36)0.36+9.63.2(37)3.7525+6.2525 (38)25.468.231.76 (39)2.9+7.110 (40)1.25320.25(41)15.687.784.322.32 (42)0.253.21.25 (43)9.991.01(44)4.631.4+46.30.86 (45)17.50.812.5 (46)0.9+9.9+99.9+999.9(47)2.999+2.9 (48)2511.24 (49)23.256.753.25(50)1253.22.5 (51)3.610.1 (52)5.82.7+0.5873(53)3.6+6.41.8 (54)1.48
4、+3.023.60.5 (55)36.74.910131.8(56)6.331016.33 (57)35.651.73 (58)1.655.455.40.6 (59)17.685.2+2.71.5(60)1.080.80.27(61)1020.45(62)22.781.250.8(63)0.341010.34(64)0.125322.5(65)0.86.30.83.8(66)5043.22.08(67)200.895.7(68)2.41.5+3.61.5 (69)7.385.14+3.622.86(70)0.121.8+8.20.12 (71)5.40.511.21.03(72)8.15.60
5、.91.050.04(73)10.80.80.35+0.05 (74)812.32.25(75)2.649.9+0.264 (76)4.52+0.61+1.39+6.48 (77)4.271.961.73(78)294.419.266+8(79)12.50.760.482.5(80)4.98+8.022.5 (81)60.840.82.5 (82)0.869.612.5(83)4.9899+4.9 (84)6.483.22.5 (85)1.27.6+7.66.8(86)9.45.82.07 (87)12.544.563.441.54(88)9.365+9.36+9.3621.25 (89)7.
6、2360.1814.30.02(90)9.60.40.25 (91)29.75.850.65(92)7.49.9 (93)3.842.70.64(94)8.688.680.560.5 (95)4.74.7+4.7+4.34.7(96)2.728.26.50.5;(97)9.12+9.12960.2;(98)28.40.40.25;(99)27.3627.367.6(100)3.250.45+6.750.45 (101)31.524.53.5 (102)7.5102(103)6.3+3.72.8(104)2.15+8.73+1.27+7.85 (105)11.878.2+1.87 (106)5.
7、423.871.13(107)4.381.56+0.620.44 (108)0.42702 (109)40+1.258(110)12.50.058 (111)2.68.5+8.57.4 (112)9.96.96.93.9(113)5.699+5.6 (114)2.51.9+1.9+1.9+1.9 (115)7.21.258(116)52.415+0.61.6(117)9.8799+9.87 (118)46.80.90.4 (119)5.517.3+6.75.5(120)994.2+4.2 (121)0.251.253.2(122)6.414+156.4+6.4 (123)1.3+1.30.12
8、588077.4(124)425+2.5+0.25111 (125)6.2517.23.64.50.32(126)28.499+28.4 (127)0.942.50.45 (128)40.812.52.5 (129)17.50.2517+13(130)10.187 (131)2.3+3.192219.8 (132)1.257.2(133)9.11.266.24 (134)7.3+12.83.82.3(135)5.36+7.6413100 (136)7.5755.631.880.2(137)7.55.5+1.24 (138)0.26+15.68+9.74+2.32 (139)13.26+9.55
9、3.26 (140)6.1+3.96.1+3.9(141)31.70.63保存2位小数 (142)2.41.5+3.61.5(143)0.320.25+0.084 (144)9.6+1.483.78(145)5.841.340.14(146)5.40.511.21.03(147)21.353.2516.75 (148)33.02148.490.852.5(149)322.50.125 (150)18.1+30.2990.231(151)672.98+0.67(152)81673.86(153)45+1473+710(154)13.70.1258 (155)0.8133.12+5.28(156)
10、1020.56 (157)1.531.7+0.471.7(158)5.18+0.73+0.82 (159)0.751.81.5 (160)12.57.10.8(161)6.1299+6.12 (162)8.60.86+80.35(163)5.618.58.50.5(164)0.1254.7880 (165)2.83.6+1.42.8 (166)0.4+402.5(167)78.717.73.6 (168)180.386.5 (169)12.7+12.5+0.5(170)912.60.05= (171)6.33.7+6.36.3= (172)3.7+1.70.42.5=(173)7.28+3.2
11、2.5= (174)0.74+0.97.4= (175)7.80.1250.8=(176)37.50.31.340.84(177)2.5+27.751.51.6(178)6.213.8+2.2 (179)6.03+3.7+2.97(180)17.436.572.43 (181)20.471.47+6.8(182)13.26+4.71+3.47+5.29 (183)22.74+8.6813.74(184)100.22.5 (185)644.5+3.645 (186)1.253.20.8(187)14.5102 (188)14.64+3.72.8 (189)8.40.210.5(190)0.125
12、980.3 (191)4.6250.66(192)5.782.3+5.78+5.786.7 (193)7.75203.243.04(194)1.250.580.2 (195)0.979+0.97 (196)5.433.82.9(197)0.43.20.80.15 (198)5.7+1.90.27.6(199)32.46.3+32.43.7 (200)18.210.60.90.75(201)0.253.8540 (202)1.463.5+3.54.54(203)712.50.8 (204)4.73.6+4.76.4 (205)1.452.8+4.42.4(206)4.26.183.03+6.3
13、(207)15.026.81.02+1.2 (208)0.650.681.2(209)2.74+6.30.25(210)6.02+2.8 0.42.05 (211)3.083.5+6.23.08+3.080.3(212)2.3+3.912219.7 (213)21.664.848.62.72(214)93.63.6+1.43.6 (215)0.250.80.1250.4 (216)2.71.52.7(217)9.08+5.45+11.92+4.55 (218)1.25301.20.8(219)0.6+0.940.208 (220)4.851.258 (221)6422.41.41.2(222)
14、18.36.253.75 (223)2.83.6+1.42.8 (224)6.614.51.7+1.8(225)0.259.874 (226)36.72.1+10.8 (227) 8.450.450.1(228)0.73102 (229) 7.85.6+2.34.4(230)76.32776.317(231)7.0523.7+7.0576.3(232)7.65.20.4+2.5432(233)17.685.2+2.71.5 (234)35.651.73 (235)1.10.782.71.95(236)1.30.754(237)1.081.81.2(238)50.41.91.8(239)0.82
15、0.25+1.180.25(240)8.52.36+2.420.25 (241)3.91.3+0.663.6 (242)4.256.3+3.74.25(243)2050.99(244)25.67.492.51 (245)2.56.84.90.8(246)1024.5 (247)3.41.2+0.55 (248)8201.25(249)0.654+10.96.5 (250)22.71.250.8 (251)3.912.8+6.092.8(252)6.23+3.09= (253)132.459.8= (254)6.620.84= (255)2.070.023=(256)20.0268.6+9.70
16、.9230.19(257)0.125322.5 (258)0.86.30.83.8 (259)50.43.22.08(260)2043.40.5 (261)43.26+2.347.5 (262)200.895.7(263)13.250.8+1.751.2; (264)2.599+2.5;(265)10.36+4.816.55; (266)12.52.4(267)38.7819.59+41.2230.41 (268)2.744.86+4.866.26+4.86(269)0.0812.5+2.50.1 (270)25.92+10.114.50.2(271)0.48712.548.7 (272)8.
17、16+2.0910.39.30.4(273)1.561.7+0.441.7 (274)12.57.21.90.8 (275)0.252010+20.1075 (276)30.86.344.594参考答案:10.111.8+8.20.11,=0.111.8+8.2,=0.1110,=1.1;22.3499+2.34,=2.3499+1,=2.34100,=234;35.42.70.8,=20.8,=1.6;4132101,=132100+1,=132100+132,=13332;56.251.250.8,=6.251.250.8,=6.251,=6.25;62.516,=2.544,=4076.
18、331016.33,=6.331011,=6.33100,=633;81.561.7+0.441.7,=1.71.56+0.44,=1.72,=3.4;91.83.412.90.03,=1.80.510.03,=1.817,=30.6;100.125322.5,=0.125842.5,=110,=10111.25818.50.25818.5,=18.51.2580.258,=18.51,=18.5;128.480.80.9,=10.60.9,=9.54;131.252.4,=1.2580.3,=100.3,=3;145.851.3+0.56,=5.851.86,=3.256,=19.51517
19、.176.83.26.17=17.176.176.8+3.2,=1110,=1;165.41.3+2.150.2=5.43.450.2,=5.417.25,=93.15;178.40.6+8.40.4=14+21=35;1816.810.1=16.810+16.80.1,=168+1.68,=169.68;1910.90.90.2+1.8=10.94.5+1.8,=8.2;201.253.20.25=1.250.840.25,=11,=1211.36+4.85+2.64+6.15,=1.36+2.64+4.85+6.15,=4+11,=15;2298.52.54,=98.52.54,=98.5
20、10,=9.85;235.42.53.72.9,=5.42.50.8,=5.42,=2.7;240.843.680.01,=0.80.320.01,=0.2560.01,=25.6;2583.712.830.17,=83.712.83+0.17,=83.713,=70.7;265.96+133.23.12,=5.96+130.08,=5.96+1.04,=7274.322.41.7,=1.81.7,=3.06;2816.24.5+3.84.5,=16.2+3.84.5,=204.5,=90;299.053.863.14,=9.053.86+3.14,=9.057,=2.05;307.28+0.
21、720.9,=7.28+0.8,=8.08314.32+5.43+6.68,=4.32+6.68+5.43,=11+5.43,=16.43;3217.176.83.2,=17.176.8+3.2,=17.1710,=7.17;335.299+5.29,=5.299+1,=5.2910,=52.9;3416.810.1,=16.810+16.80.1,=168+1.68,=169.68;352.749.5+50.274,=2.749.5+0.52.74,=2.749.5+0.5,=2.7410,=27.4;360.36+9.63.2,=0.36+3,=3.36373.7525+6.2525,=2
22、53.75+6.25,=2510,=250;3825.468.231.76,=25.468.23+1.76,=25.469.99=15.45;392.9+7.110,=2.9+71,=73.9;401.25320.25=1.25840.25,=101,=14115.687.784.322.32,=15.687.78+4.322.32,=15.68+4.327.78+2.32,=2010,=10;420.253.21.25,=0.2540.81.25,=0.2540.81.25,=11,=1;439.991.01,=100.011.01,=10.10.0101,=10.0899;444.631.
23、4+46.30.86,=46.30.14+46.30.86,=46.30.14+0.86,=46.31,=46.3;4517.50.812.5,=17.50.812.5,=17.51,=17.5;460.9+9.9+99.9+999.9,=10.1+100.1+1000.1+10000.1,=1+10+100+10000.1+0.1+0.1+0.1,=11110.4,=1110.6472.999+2.9=99+12.9,=1002.9,=290;482511.24=25411.2,=10011.2,=1120;4923.256.753.25=23.256.75+3.25,=23.2510,=1
24、3.25501253.22.5,=12580.42.5,=12580.42.5,=10001,=1000;513.610.1,=3.610+0.1,=3.610+3.60.1,=36+0.36,=36.36;525.82.7+0.5873,=5.82.7+5.87.3,=5.82.7+7.3,=5.810,=58;533.6+6.41.8,=3.6+11.52,=15.12;541.48+3.023.60.5,=4.51.8,=2.5;5536.74.910131.8,=31.810131.8,=31.81011,=31.8100,=3180566.331016.33=6.331011,=6.
25、33100,=633;5735.651.73,=35.68.65,=26.95;581.655.455.40.6,=55.41.60.6,=55.41,=55.4;5917.685.2+2.71.5,=3.4+4.05,=7.45601.080.80.27=1.080.270.8,=40.8,=3.2;611020.45=100+20.45,=1000.45+20.45,=45+0.9,=45.9;6222.781.250.8=22.781.250.8,=22.781,=22.78;630.341010.34=10110.34,=1000.34,=34640.125322.5,=0.125842.5,=110,=10;650.86.30.83.8,=0.86.33.8,=0.82.5,=2;6650
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