小数加减法专项练习200题.docx

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1、(1)7.4+12.86(10)12.42+0.4820-5.674(11)0.56+11.534(3)141.2-48.98(12)44-22.13102+4.36(13)91-22.035(5)32.15-27.45(14)52.6+21.237(6)12.9+5.01(15)9.152.1829.46-(9.46+3.8)(16)3.85-1.5+1.32,(8)15.75+0.65-2.75+3.35(17)15.4+6.87(19)IOO82.13=17.87(29)5.9+286516.57(20)123.56-47.9+51.7(30)57.53.25-16.75,(21)2.7

2、+3.1+2.9+3.2,(31)6.02+3.6+1.98(22)28.42+19.48(32)1.29+3.7+2.71+6.3(23)42.56+3.124(33)307O.38-1.62(24)8130.75(34)3.25+1.79-O.59+1.75(25)15.6十0.237(35)7.5+4.9-6.1(26)148.2256224.38(36)14.8+7.94.8(27)4.52-O.74O-26(37)2.608+2.84(39)1.5-0.306(49)120-17.83-2.17,(40)76.8+26.82(50)17.17-6.8-3.2-6.17(41)102.

3、07-37.257(51)73.8-1.64-13.8-5.36(42)48.64+18.6(52)6.75(0.9+3.75)(43)54.7514.75,(53)27.38-5.34+2.62-4.66(44)4.68+14.79+5.32-10.79,(54)35.72-4.9-(5.72+5.1)(45)48.9-12703,(55)0.73O.25-O.73+0.25(46)56.439.7+24.3,(56)5.3+0.1+5.3-0.1(47)3.6-2.8+3.4-7.2,(57)12.7-4.8-5.2.(60)(61)(62)(63)(64)(65)(66)(67)209.

4、180.82(71)15.68(7.784.32)-2.32,6.53(1.53+2.6)(72)0.9+9.9+99.9+999.9,5.521.0740.926(73)25.468.23-1.76,4.21+1.04+0.79(74)9.4+0.3-6.4,1.36+4.85+2.64+6.15(75)15.25+4.72+4.75+5.28,83.712.83-0.17(76)34,823-(4.82+15.2),4.32+5.43+6.68(77)12.7-4.8-5.2,17.176.8-3.2,(78)3.1+25.78+6.9,(90)15.17-(3.6+4.9),(80)2.

5、15+8.73+1.27+7.85(81)11.87(82+1.87),(91)35.6+(12.6-4.4),(82)5.42-3.87-1.13,(92)16.4+3.5+83.6+166.5(83)438156+0.620.44,(93)4.652.55-1.45,(84)46715.03-4.97(94)1.28+0.86+38.72,(85)4.52+0.61+1.39+6.48(95)25.743576.43,(86)427(1.961.73)(96)14.54685.32,(87)7.27-(1.98+0.27),(97)0.485+0.64+3.36,(100) 5.76+2.

6、43+0.24+10.57,(110)27.73-(4.73-1.85),(101) 928(328+255),(111)3.84+26.5(20-8.6),(102)9.5+4.85-6.13,(112)7.385.14+3.62286,(113)5.86+13.08927,(103) 10.75-1.862753.16,(104) 1.3+0.94+0.06+7.7,(114)25.4-(15.4-6.4),(105)4.45+0.63+5.55,(115)47.237.235.89,(106) 45.5(0.98+5.5),(116)4.45+0.63+5.55,(117)5.28(2.

7、9+1.28),(107) 0.96-0.28+0.04-0.72,(120)(121)(122)(123)(124)(125)(126)(127)9.42+7.39+1.58,(130)4.26+5.48-1.264.52,18.4-165.4,(131)14,67+25.91+15.33+4.09,乃.7+39.423.86,(132)10.75-(2.4-0.86),21.21+38.38-9.79,(133)9.61-4.38+0.35,47.28+1.39+52.72,(134)3.87+4.92+1.13,2451.68+1.54,(135)46.24-8.66-1.34,15-8

8、.13-1.87,(136)21.9-9.22-0.78+8.1,5.14+3.2256.302,(137)35.47+39.88-12.37,3.95+5.36-1.95,(138)93.21-5.99-14.01,(140)42.37-(12.37-9.78),(150)1.3+2.83+8.7+0.17,(141)38.78-19.59+41.2230.41,(151)2.472.2-3.8+7.53,(142)1.9+19.9+199.9+0.3(152)6.89+4.7+2.11+5.3,(143)429+31.1+2.04,(153)7.462.37-1.63,(144)10027

9、.242.8,(154)14-(3.65+0.24),(145)9(3.02+1.25),(155)70.8-1.25-1.75,(146)181.57+0.2,(156)5.81+8.3+4.19+11.7,(147)5.032.5+0.96,(157)4.2+7.64+5.8+2.36,(16859B窗4彩包.74+3.2,(169)15.19+3.36+4.64+4.81,(160) 6.21-3.8+2.2,(170)4.7+7.69+5.3+2.31,(161) 6.03+3.7+2.97,(171)53.78-13.6-37.4+6.22,(162) 17.43.6.57-2.43

10、,(172)60(21.5-&8)+7.3,(163) 20.47-(1.47+6.8),(173)9.5+4.85-6.13(164) 13.26+4.71+3.47+5.29,(174)75.8-(15.3-4.8),(165) 22.74+8.6813.74,(175)51.278.66-1.34,(166) 12.56-6.64-3.36,(176)28.4-3.96-1.04+4.6,(167) 45.5(0.98+5.5),(177)70.87.25-1.乃(178)5.81+8.3+4.19+11.7(180)6756-193207,(190)11.727.85-(1.26+0.

11、46),(181)0.9+1.08+0.92+0.1,(191)15.37+28.44+12.56,(182)13.59-6.91-0.09,(192)12.64(3.96+4.64),(183)4.58+3.38+(5.48+6.62)(193)36.26-4.78+3.74f(184)73.75(4.3+8.75)(194)7.34+7.57+12.66+6.43,(185)5(4.192.83),(195)78.65-23.12-14.88,(186)1.39+0.72+0.61+3.28,(195)4.58+2.39+(5.42+7.61),(187)8376.3,(196)8.27+

12、5.84+1.73+2.16,&28(1.28+3.7),(197)18.51-9.08-0.92,.(219)12.56-6.64-3.36,(225)32.63+7.89-6.4,(220)45.5(0.98+5.5),(226)3.97+0.7-1.32,(221)6+7.94+6.4,(227)30-(3.8+0.75),(222)5.41+3.46246,(228)75.6-(14.3-8.3),(224)10-4.44-5.56,(218)75.36-24.9+24.64-25.1,(223)203018-2.82+7.97,参节合茶(1) 7.4+12.86=20.26;7.4十

13、12.8620.26(2) 205.674=14.326:205.67414.326(3) 141.2-48.98=92.22;141.2-4&989222(4) 102+4.36=106.36;102-4.36106.36(5) 32.1527.45=4.7;3215-27.454.7验算：21A54.732.15(6) 12.9+5.01=17.91;12.9卜5.0117.91验算：17.91129(7) 29.46-(9.46+3.8),=29.46-9.46-3.8,=20-3.8,=16.2;(8) 15.75+0.65-2.75+3.35,=(15.752.75)+(0.65+3.35),=13+4,=17;(9) 65刀4.99,=65.71(50.01),=65.71-5+0.01,=60.71+0.01,60.助11)12)44一一/(N/(/(72;12. 42+0.48=12.9,0.56+11.534=12.094,4422.13=21.87,-22.1321.87(13) 9122.035=68.965,91-22.0356殳965(14) 52.6+21.237=73,837,526+21.23773.837(15) 9.15-2.18=