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 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)6+(7)+(9)+2 72+65+(-105)+(28) 19+(195)+47 (23)+|63|+|37|+(77) (+18)+(32)+(16)+(+26) 5+(5)+4+() (0.8)+(1.2)+(0
2、.6)+(2.4) (8)+(3)+2+()+12 (-6.37)+(3)+6.37+2.75二、 有理数减法79 79 0(9) (25)(13) 8.2(6.3)(3)5 (12.5)(7.5) (26)(12)1218 1()(+)(20)(+5)(5)(12) (23)(59)(3.5) |32|(12)72(5)()() (+)()() ()3(3.2)7 (+)() (+6.1)(4.3)(2.1)5.1 ()(1)(1)(+1.75)(3)(2)(1)(1.75) 8543 4+()0.5+()(2.75)+ (+4.3)(4)+(2.3)(+4) (0.5)(3)6.755三、
3、有理数乘法(9) ()(0.26) (2)31(0.5) (5)(13)(4)(10)0.5(3) ()(1.8)(0.25)()4(7) ()()() (8)4()(0.75) (24)6 4(96)(0.25) (1+)56 ()36 (36)() ()(80.4) 2(518) (66)1()()25(25)25 (+)72 (2)()() () 三、 有理数除法18(3) (57)(3) () (42)(6) (642)(3)(+)() ()9 0.25() (36 ) (1)() (1)(4)3()() 0(3)(7) (3)() (24)(6)1(3)() ()() ()() (+
4、)() 3.5 (0.5) 1(1)1(7) () (2)4 0.8+4.8()2.2+0.8五、有理数混合运算()(154) (2.4) 2()(5) (5)()5 15(113(1) (+)() 8(25)(5) 130.34+(13)0.34 (13)(134)()(4)(5)+(4)3 (1650+3)(2) (0.5)(3)+6.755 ()+|1|17887.21+43+5312.79 (6)(4)+(32)(8)3 (9)(4)+ (60)12 ()1+() |3|10(15) 1()2 (23+1)(1)(7) (820.04)2 2 +03 (1) 0 6+ 10+843 (10.5) 4+6 +2+(6)(-8)(-) ()23 9 36 +(10.5)24+ +18