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1、有理数的加减乘除有理数的加减乘除 计算题(计算题(5050 道)道)1.1.(+13+13)+(+17+17)2.2.(1414)+(1818)3 3.(+2.75+2.75)+(4 42 2)1 13 35 57 77 79 94 4.()+(+)5 5.(+)+()6 6.(3 3)+0+04 46 68 88 813137 7.1 1(5 5)8 8.5+55+59 9.1 1(4 4)1 13 32 22 21 15 510.10.2 21 111.11.(3 3)(1 1)12.12.5555(1414)4 44 43 33 36 66 614.14.2 27+57+53 33 31
2、4141 11 11 11 115.15.(+)+(3.363.36)+【(+7.36+7.36)+】16.16.2 2+171717173 34 46 61 11 11 117.17.(3030)()(1919)+27+274848(+16+16)18.18.3 3(8 8)()(2 2)4 44 42 219.19.(1010)()(+13+13)+(4 4)()(8 8)+5+520.620.6(5 5)+(1111)1 12 221.21.(9.259.25)+(2.82.8)+2.25+2.2522.22.(3 3)(9 9)23.23.2 23 32 29 924.24.(4 4)
3、6 625.25.(6 6)0 026.26.()3 34 41 11 13 327.27.(6 6)(1 1)28.28.()29.829.8 ()4 4 (2)2)3 34 44 41 15 55 530.30.(3636)()(9 9)31.31.(1 1)0.250.2532.32.2 2(2 2)4 46 66 64 41 13333(3636)()()34.34.(2.72.7)()(1 1)35.35.(5656)14142 29 98 81 17 73 32 23 35 52 236.36.()37.37.()(+)38.38.(3 3)0 0 2 28 84 43 34 46
4、 63 33 339.39.8 8()(4 4)(2 2)40.40.(5 5)89.289.2(2 2)4 41 13 31 141.41.10.510.5(0.50.5)()42.42.(125125)(1515)(8 8)6 67 72 23 31 11 14 443.43.1.51.52 2(3 3)44.1744.176.25+86.25+80.750.7545.45.(8181)2 2 4 42 24 49 92 22 22 246.46.3232()+(1111)()2121()3 33 33 33 35 511117 73 35 511117 747.47.(6060)(+)4
5、8.48.(6060)()(+)4 46 6151512124 46 6151512121 11 11 11 16 6888849.49.3232+5+5(3 3)5 5+12+1250.50.(9999)36363 34 47 74 47 78989有理数加减乘法除法混合运算有理数加减乘法除法混合运算(1 1)3 34+194+191111;(2 2)(+16+16)+(-29-29)-(-7-7)-(+11)+9-(+11)+9(3 3)(3636)()(2525)()(+36+36)+(+72+72)(4 4)()()()(5 5)-0.25-0.25-0.57-0.57+(-0.1-0
6、.1)-(+0.5+0.5)112(1)(3)()(0.2)2(8 8)(6 6)5(7 7)3(2424)0 0121614235211()(2)(4)1119152(9 9)31(1010)()(48);346155151(11)311)3()()()2 2()277272(1212)计算:计算:(1 1)4242(6 6);(1313)(21)1.2512比较大小比较大小求下列各数的倒数,并用“”连接求下列各数的倒数,并用“”连接122,2 2,3 3,1.251.25,1237计算:计算:(1 1)(5)(7)(5)(7)(15)15)(2 2)72(8)()72(8)(12)12)(3 3)(1()(347877)()128