1、初一数学上册计算题大全53 2 3 ()()(9) 23(3)2(4) 7 7 6 1 6 ( )( ) 20(11)8(20) 7 6 5 1 (0.9)(7) (3)453 (1)2445 5 1 1 1 ()()0 29(4)2(4 4 9 9 1 1 1 ( )( ) 2(23)6(16) 8 7 2 1 1 ( )(70) (2)313 (1)2096 5 7 (-14)(-14) 6(-14) 0(-9.5) 1 1 ()() -14-1(-42) (-4)432 4 4 2919(-4)(-15) -1.9(-6.6)(-4.7)1.1 2 1 1 2 6 8 ()() 7.6(
2、)(3.6) 3 4 3 7 5 5 (3b1) x5(74b) 4m5(5y2t) (8my)2(8b9b) 3 (128x)t 9(4b9mn6) 4 1 1 (bc)(ef) 2(9ay)6(m8q) 2 7 6y(2y8) 4y(3y3z)(4zy) 4(8m3)6m 8(4m2)(7m4) 5(ab5a)(3a8b) 16(abc5a)2(6a6abc) 2(xy9z)(xy9z) 3(pqpr)(5pqpr) 5 x 1 x 0.8x0.34.93.5x 9 6 6 2 1 3x3x 3(x3)7(x9)16 3 9 1 3 (4x2)x7 6x7(4x)9 5 5 y3 y3 5
3、 4x5(x1)30 4 6 1 2 (34x)(5x5) 8(9x5)5 7 3 3 2 ()()(9) 20(4)2(5) 7 7 1 1 1 ( )( ) 7(11)7(15) 3 8 7 1 (0.1)(50) (5)423 (1)1344 8 1 1 1 ()()0 15(4)3(4 7 3 5 1 1 7 ( )( ) 30(22)6(20) 6 8 6 7 1 ( )(10) (4)243 (1)1342 6 2 (-11)(-7) 11(-10) -4(-3) 1 1 ()() 22(-157) (-1)244 5 2 -268(-9)(-7) 7.4(-8.4)(-2.6)0
4、.2 2 1 1 4 1 6 ()() 3.6()(6.9) 9 3 2 7 5 5 (2x3) z4(57b) 19a6(6n4z) (5an)9(6x4b) 1 (102z)z 3(4b8mn1) 3 1 1 (ab)(st) 4(7by)9(m6p) 3 5 2n(8n9) n(7n9s)(9s6n) 9(3m3)7m 10(2x8)(4x10) 8(ab7a)(8a6b) 18(abc5a)8(7a5abc) 6(xy6z)(xy7z) 2(pqpr)(4pqpr) 7 x 1 x 0.1x0.56.98.2x 9 4 9 4 1 4x9x 5(x6)6(x1)7 5 8 1 2 (3x6)x4 8x5(2x)9 4 5 y1 y3 9 3x6.5(x3)15 4 6 1 2 (42x)(2x5) 4(2x6)13 5 3