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有有理理数数的的加加减减混混合合运运算算练练习习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)+3 751374134343=4 = =-9712计算:(1)-4.2+5.7-8.4+10; (2)6.1-3.7-4.9+1.8 132 31) 3(21 32 65 41)4(=11.5 =-0.7 = =32 433计算: (1) (36)(25)(+36)+(+72); (2) (8)(3)+(+5)(+9) ; =-35 =-9(3); (4) ;)32()41()61(215 . 13 . 42 . 56 . 34 . 1= =-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
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