有理数加减法计算题(含答案)Word文档格式.doc
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(4)8-12;
(5)-15+7;
(6)0-2;
(7)-5-9+3;
(8)10-17+8;
(9)-3-4+19-11;
(10)-8+12-16-23;
(11)-4.2+5.7-8.4+10;
(12)6.1-3.7-4.9+1.8;
(13)-+1;
(14)-++-;
(15)-216-157+348+512-678;
(16)81.26-293.8+8.74+111;
(17)-4+1-17-2;
(18)2.25+3-12-8;
(19)12-(-18)+(-7)-15;
(20)-40-28-(-19)+(-24)-(-32);
(21)4.7-(-8.9)-7.5+(-6);
(22)-+(-)-(-)-;
(23)-4;
(24)5-10.8;
(25)0.12-0.54-;
(26)-4.72+16.42-5.28(27);
(28);
(29);
(30)(31)23-17-(-7)+(-16)
(32)+(-)-1+(33)(-26.54)+(-6.4)-18.54+6.4
(34)(-4)-(-5)+(-4)-3(35)(+6.1)-(-4.3)+(-2.1)-5.7
(36)-3.4+4.7-8.35;
(37)(38)
(39)0.36+(-7.4)+0.3+(-0.6)+0.64;
(40)9+(-7)+10+(-3)+(-9);
答案:
(1)-5
(2)3(3)-15(4)-4(5)-8(6)-2(7)-11
(8)1
(9)1
(10)-35
2(11)3.1(12)-0.7(13)(14)
(15)-191(16)-92.8(17)-22(18)-14(19)8(20)-41(21)0.1
(22)-1(23)3(24)-5.3(25)-0.57(26)6.42(27);
(28);
(30)0(31)-3(32)-(33)-45.08(34)-6(35)2.6
(36)-7.05;
(37);
(38)3.5(39)-6.7;
(40)0;
(1)-5
(2)3(3)-15(4)-4(5)-8(6)-2(7)-11(8)1
(9)1
2(11)3.1(12)-0.7(13)(14)(15)-191(16)-92.8(17)-22(18)-14(19)8(20)-41(21)0.1(22)-1(23)3(24)-5.3(25)-0.57(26)6.42(27);
(30)0(31)-3(32)-(33)-45.08(34)-6(35)2.6(36)-7.05;