1、七年级数学上册有理数的计算题精选81 5 5 ()()(8) 4(2)3(1) 7 7 5 1 10 ( )( ) 28(14)4(10) 6 4 9 1 (0.8)(8) (5)243 (1)1450 6 1 1 1 ()()0 18(2)2(1 6 6 5 1 1 1 ( )( ) 10(21)1(20) 5 5 8 7 1 ( )(10) (1)212 (1)1540 8 2 (4)(9) 7(8) 9(9.5) 1 1 ()() 135(182) (1)223 6 6 1817(16)(7) 2.4(2.2)(0.4)2.6 2 1 1 4 8 7 ()() 6.9()(3.1) 3
2、5 7 5 5 5 2 5 ()()(8) 9(3)2(5) 7 7 1 1 2 ( )( ) 28(19)5(16) 9 6 3 1 (0.9)(8) (2)342 (1)2572 6 1 1 1 ()()0 18(4)3(4 2 6 9 1 7 5 ( )( ) 19(10)1(15) 3 6 6 8 1 ( )(100) (2)313 (1)2804 7 2 (16)(4) 20(5) 15(10) 1 1 ()() 102(124) (1)424 3 3 333(18)(5) 9.5(5.9)(2.7)7.7 2 1 1 3 3 4 ()() 2.2()(7.3) 9 5 9 7 5
3、5 2 2 ()()(2) 28(3)3(1) 7 7 6 1 1 ( )( ) 23(22)1(16) 5 4 9 1 (0.4)(60) (5)223 (1)1401 4 1 1 1 ()()0 28(4)3(4 7 5 5 1 7 1 ( )( ) 20(29)6(16) 2 6 2 1 1 ( )(30) (1)233 (1)1382 6 3 (2)(1) 7(20) 2(11) 1 1 ()() 151(156) (0)332 3 7 343(23)(16) 9.1(3.4)(4.7)4.8 2 1 1 1 7 7 ()() 5.5()(7.9) 5 6 7 7 5 5 4 3 ()
4、()(5) 8(1)2(2) 7 7 1 1 1 ( )( ) 27(11)3(20) 5 6 7 1 (0.6)(500) (3)252 (1)1451 7 1 1 1 ()()0 28(2)3(3 9 8 6 1 1 6 ( )( ) 26(13)1(13) 3 2 5 1 8 ( )(40) (1)243 (1)2730 8 7 (20)(7) 6(15) 3.5(20) 1 1 ()() 205(510) (5)344 2 9 335(1)(20) 8.5(0.5)(1.5)0.1 2 1 1 1 4 8 ()() 7.3()(2.1) 7 4 8 7 5 5 5 1 ()()(1)
5、16(2)3(1) 7 7 1 1 1 ( )( ) 8(17)4(16) 4 6 7 1 (0.3)(1) (1)443 (1)1118 9 1 1 1 ()()0 10(1)3(4 4 4 6 1 3 1 ( )( ) 8(19)4(11) 4 2 4 1 1 ( )(40) (1)313 (1)1019 2 2 (1)(19) 15(12) 12(0.5) 1 1 ()() 25(119) (0)423 7 9 157(19)(10) 4.7(3.9)(3.4)9 2 1 1 3 4 8 ()() 8.7()(5.8) 3 9 7 7 5 5 4 3 ()()(4) 9(4)3(5) 7
6、 7 7 1 8 ( )( ) 18(12)3(20) 8 4 7 1 (0.4)(10) (3)212 (1)2943 2 1 1 1 ()()0 29(4)2(3 7 7 2 1 3 1 ( )( ) 17(13)8(10) 6 2 2 1 2 ( )(60) (3)342 (1)2000 2 3 (12)(5) 8(16) 9.5(9.5) 1 1 ()() 190(74) (2)254 8 2 398(15)(25) 5.3(2.1)(1.9)7.2 2 1 1 4 7 8 ()() 9.5()(7.5) 9 5 5 5 5 5 3 1 ()()(1) 2(3)3(5) 7 7 4 1
7、 1 ( )( ) 10(18)7(12) 5 6 5 1 (0.8)(10) (5)353 (1)2133 8 1 1 1 ()()0 8(2)3(1 4 4 3 1 1 4 ( )( ) 24(10)1(19) 8 7 5 1 7 ( )(100) (1)422 (1)1175 8 6 (6)(16) 11(3) 6(9.5) 1 1 ()() 35(97) (0)314 8 6 21(1)(11) 0.6(6.6)(3.4)4 2 1 1 4 9 8 ()() 8.8()(4.1) 7 9 5 7 5 5 3 1 ()()(8) 11(3)2(1) 7 7 7 1 4 ( )( ) 10(17)3(12) 8 2 5 1 (0.4)(700) (3)233 (1)1153 6 1 1 1 ()()0 10(2)2(2 2 5 5 1 1 5 ( )( ) 23(26)7(13) 4 5 4 2 1 ( )(
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