1、七年级 有理数计算题一、 有理数加法(9)+(13) (12)+27 (28)+(34) 67+(92) (27.8)+43.9 |+()| (23)+7+(152)+65 ()+| 6+(7)+(9)+2 38+(22)+(+62)+(78) (8)+(10)+2+(1) ()+0+(+)+()+() (8)+47+18+(27) (5)+21+(95)+29 (8.25)+8.25+(0.25)+(5.75)+(7.5)72+65+(-105)+(28) (-6.37)+(3)+6.37+2.75(23)+|63|+|37|+(77) 19+(195)+47 (+18)+(32)+(16)
2、+(+26) (0.8)+(1.2)+(0.6)+(2.4)(8)+(3)+2+()+12 5+(5)+4+() 二、 有理数减法79 79 0(9) (25)(13) 8.2(6.3) (12.5)(7.5) (3)5 (26)(12)1218 1()(+) |32|(12)72(5)(20)(+5)(5)(12) (23)(59)(3.5) ()() (+)()() ()3(3.2)7 (+)() (+6.1)(4.3)(2.1)5.1 8543 4+() (+4.3)(4)+(2.3)(+4)0.5+()(2.75)+ (0.5)(3)6.755三、 有理数乘法(9) ()(0.26)
3、(2)31(0.5) (5)(13)(4)(10)0.5(3) ()(1.8)(0.25)()4(7) ()()() (8)4()(0.75) (1+)56 4(96)(0.25) ()36(36)() ()(80.4) (66)1()() (+)72 25(25)25 (2)()()四、 有理数除法18(3) (24)6 (57)(3) () (42)(6) 0.25()(+)() ()9 36(1)() (1)(4)3()() 0(3)(7) 3() (24)(6)2(518) 1(3)() ()() ()()(+)() 3.5 (0.5) 1(1)1(7) () (2)4 五、有理数混合运算()(154) (2.4) 2()(5) (5)()5 15(113(1) 8(25)(5) (+)() (1650+3)(2) 130.34+(13)0.34 (13)(134)() (0.5)(3)+6.755(4)(5)+(4)3 ()+|1| (6)(4)+(32)(8)3 (9)(4)+ (60)12 |3|10(15) 1()2 (820.04) 2 2 + 03 4+6 +2+(6) 36(-8)(-) 9 ()23 7