1、初一数学上册计算题天天练15 1 1 ()()(9) 13(2)2(3) 7 7 10 1 8 ( )( ) 30(12)4(12) 9 4 9 1 (0.9)(8) (3)243 (1)1579 3 1 1 1 ()()0 16(4)3(4 3 8 5 1 3 7 ( )( ) 18(19)9(11) 6 4 6 1 2 ( )(90) (3)342 (1)2037 6 3 (-3)(-3) 8(-9) -3(-20) 1 1 ()() 153(-145) (-3)334 9 4 231(-17)(-10) -6.4(-5.1)(-5)2.9 2 1 1 3 6 1 ()() 7.3()(2
2、.6) 9 5 3 7 5 5 (5m5) z2(65a) 20a7(6n7c) (3an)3(8m7a) 1 (126z)c 4(7c7mn2) 2 1 1 (ab)(pq) 3(9ay)8(n2q) 9 3 5 1 ()()(8) 29(4)3(2) 7 7 1 1 8 ( )( ) 19(10)8(20) 6 6 7 1 (0.5)(9) (1)422 (1)1526 9 1 1 1 ()()0 26(4)3(4 8 6 4 1 7 3 ( )( ) 29(23)4(11) 8 6 2 3 1 ( )(50) (3)452 (1)1247 4 2 (-11)(-4) 20(-16) -1
3、(-6.5) 1 1 ()() -145(-57) (-5)244 5 3 231(-26)(-19) 5.4(-5.2)(-3.7)2.6 2 1 1 4 9 7 ()() 9.9()(4.6) 5 9 7 7 5 5 (5x3) x4(67c) 6x4(6y4t) (8xy)8(9x7c) 1 (88x)t 2(6d3xy7) 4 1 1 (xy)(pq) 5(7ax)6(n5p) 3 5 4 5 ()()(5) 28(4)2(4) 7 7 3 1 6 ( )( ) 13(19)6(17) 4 4 7 1 (0.5)(900) (3)433 (1)2620 6 1 1 1 ()()0 13
4、(2)3(5 7 8 9 1 7 5 ( )( ) 10(11)10(13) 3 6 6 1 1 ( )(100) (1)243 (1)1844 8 2 (-18)(-20) 15(-15) -9.5(-22.5) 1 1 ()() 05(-164) (-2)453 5 5 1313(-3)(-10) -6.6(-4.5)(-4.4)7.7 2 1 1 1 8 2 ()() 6.8()(2.9) 9 3 8 5 5 5 (5b3) y7(96b) 4x5(8y7c) (9xy)5(8b2b) 9 (26y)c 3(2c8ab5) 8 1 1 (ab)(pq) 4(9ax)8(n8p) 4 8
5、2 3 ()()(10) 25(4)3(2) 7 7 1 1 8 ( )( ) 30(23)9(13) 6 8 7 1 (0.4)(10) (4)242 (1)1445 8 1 1 1 ()()0 27(3)3(1 9 2 6 1 1 1 ( )( ) 18(20)5(10) 8 2 4 1 8 ( )(80) (2)342 (1)1715 8 7 (-16)(-2) 5(-7) -13.5(-18.5) 1 1 ()() 115(-123) (-5)252 2 3 -2620(-30)(-17) -6.7(-7)(-2.8)1.5 2 1 1 4 2 3 ()() 4.5()(8.9) 7
6、8 6 5 5 5 (3m4) y3(12c) 2a4(2n3t) (4an)5(8m8c) 1 (146y)t 5(6b8xy4) 8 1 1 (xy)(pq) 2(9bx)7(n4p) 9 4 4 2 ()()(6) 6(2)2(2) 7 7 1 1 6 ( )( ) 8(24)4(15) 9 6 7 1 (0.9)(60) (3)253 (1)2468 7 1 1 1 ()()0 28(3)2(2 5 2 5 1 2 1 ( )( ) 22(15)5(12) 7 3 7 1 8 ( )(10) (5)232 (1)1384 6 7 (-9)(-2) 5(-1) 12.5(-3.5) 1
7、1 ()() 4-1(-27) (-5)234 5 5 -912(-3)(-7) 5.1(-2)(-2.8)7 2 1 1 2 8 3 ()() 1.2()(2.3) 5 4 9 7 5 5 (6b8) z7(44b) 13m4(7y7t) (6my)7(3b7b) 1 (64z)t 9(2c5ab2) 7 1 1 (ab)(ef) 2(8bx)9(n3p) 6 5 6 1 ()()(3) 14(4)2(3) 7 7 3 1 6 ( )( ) 17(26)4(20) 2 2 5 1 (0.1)(9) (3)422 (1)1049 5 1 1 1 ()()0 10(2)2(1 9 3 4 1 1
8、 1 ( )( ) 20(15)10(10) 3 3 3 1 1 ( )(100) (3)232 (1)2086 2 5 (-8)(-12) 1(-10) 12.5(-4.5) 1 1 ()() 130(-195) (-2)333 9 7 179(-8)(-4) 4.3(-5.2)(-2.9)8.2 2 1 1 4 1 1 ()() 6.6()(8.4) 7 3 9 5 5 5 (9m5) x3(98b) 18x5(3n6t) (6xn)3(5m9b) 4 (26x)t 3(3b4ab6) 3 1 1 (xy)(ef) 2(8bx)6(n2q) 2 6 3 1 ()()(1) 8(1)2(1)
9、 7 7 4 1 2 ( )( ) 10(17)3(19) 5 4 3 1 (0.6)(100) (3)333 (1)1652 8 1 1 1 ()()0 30(2)3(5 9 3 4 1 5 1 ( )( ) 10(25)4(14) 2 4 8 1 4 ( )(70) (3)213 (1)2634 8 3 (-11)(-20) 3(-16) -5.5(-14) 1 1 ()() 5-2(-84) (0)253 8 8 -3310(-24)(-30) -4(-6.5)(-3.8)8.6 2 1 1 3 6 3 ()() 4.9()(4.2) 7 2 9 5 5 5 (8n4) z8(87b) 19a2(9b7t) (7ab)9(5n4b) 1 (146z)t 2(6d7xy8) 7 1 1 (bc)(st) 5(7ax)8(n3q) 5 6 2 1 ()()(10) 14(2)2(5) 7 7 1 1 10 ( )( ) 8(12)5(13) 9 8 9
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