有理数加减混合计算题100道【含答案】(七年级数学)

2.75-(+); (6)Р有理数运算练习(一) 答案Р1、【答案】(1)-1; (2)-13; (3)2; (4)0; (5)-2; (6)-11; (7)170;Р(8)-14; (9)-32; (10)-8; (11)-23; (12)0.Р2、【答案】(1)-17; (2)4; (3)13; (4)22; (5)-22; Р (6)-60; (7)-84; (8)9.Р3、【答案】Р(1)100; (2)-2; (3)-92; (4)2; (5)50; (6)-90; (7)-13; (8)-30.Р4、【答案】Р(1); (2); (3)0; (4)-6; (5); (6); (7); (8).Р5、【答案】(1) (2)4.25 (3)12 (4)Р6、【答案】(1)14; (2)-4; (3)-8; (4)-5; (5)-2; (6)8; (7)-8; Р(8)2; (9)0; (10)-12Р6.1、【答案】(1); (2)-; (3)-; (4)4.1; (5); (6)0; Р(7)-(8)-128Р7、【答案】(1)28; (2)-116; (3)16; (4)16Р8、【答案】(1)-30; (2)-10; (3)168; (4)-20; (5)0; (6)-6.1或- Р9、【答案】(1)20; (2)3.1; (3)-; (4); (5)-; (6)Р10、【答案】(1)-7; (2)-3.2; (3); (4)-16; (5)-; (6)-Р11、【答案】(1)45.5; (2)10; (3); (4)-; (5); (6);Р12、【答案】(1)1.6; (2)-26.4; (3)30; (4)9; (5)69; (6)-6; Р(7)27.1; (8)0Р13、【答案】(1)8; (2)-3; (3); (4)-13; (5)-2; (6)