《有理數(shù)計算題》由會員分享,可在線閱讀,更多相關(guān)《有理數(shù)計算題(7頁珍藏版)》請在裝配圖網(wǎng)上搜索。
1、七年級 有理數(shù)計算題一、 有理數(shù)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) (23)+|63|+|37|+(77)19+(195)+47 (+18)+(32)+(16)+(+26) (0.8)+(1.2)+(0.6)
2、+(2.4)(8)+(3)+2+()+12 5+(5)+4+() (-6.37)+(3)+6.37+2.75二、 有理數(shù)減法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)1 / 7()() (+)()() ()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、)(3)6.755三、 有理數(shù)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)4(96)(0.25) (1+)56 ()36(36)() ()(80.4) (66)1()()25(25)25 (+)72 (2)()()四、 有理數(shù)除法18(3) (24)6 (57)(3) () (42)(6)(+)() ()9 0.25() 36(1)() (1)(4)3()() 0(3)(7) 3() (24)(6)2(518) 1(3)() ()() ()()(+)() 3.5 (0
4、.5) 1(1)1(7) () (2)4 0.8+4.8()2.2+0.8五、有理數(shù)混合運算()(154) (2.4) 2()(5)15(113(1) (5)()5 (+)()130.34+(13)0.34 8(25)(5) (13)(134)()(4)(5)+(4)3 (1650+3)(2) (0.5)(3)+6.75517887.21+43+5312.79 (6)(4)+(32)(8)3 ()+|1|(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+ + 溫馨提示:最好仔細閱讀后才下載使用,萬分感謝!