有 理 数 的 加 减 混 合 运 算 练 习1、计算:(1)59+1; (2)1017+2; (3)34+1910; (4)8+121622 =-13 =-5 =2 =-34(5)(+3.41)(0.59) (6) (7)9+(3 )+375134443=4 = =-9712计算:(1)-4.2+5.7-8.4+10; (2)6.1-3.7-4.9+1.8 132)(213654)(=11.5 =-0.7 = =3计算:(1) (36)(25)(+36)+(+72); (2) (8)(3)+(+5)(+9) ;=-35 =-9(3) ; (4) ;)3(41)6(2 5.13.42561= =-10.2454计算:(1) 13(18)+(7)15; (2)4028(19)+(24)(32);=9 =-51(3)4.7(8.9)7.5+(6) ; (0.6)+1.7+(+0.6 )+(1.7 )+(8 )=0.1 =-8