1、初一数学上册计算题大全83 1 4 ()()(8) 6(3)2(1) 7 7 3 1 1 ( )( ） 23(15)4(14) 4 6 7 1 (0.8)(900) (4)252 (1)2382 4 1 1 1 ()()0 7(3)2(1 9 6 4 1 1 6 ( )( ) 13(21)6(17) 6 4 7 1 5 ( )(70) (4)352 (1)1733 6 6 (-8)(-9) 17(-3) 1(-21.5) 1 1 ()() -16-5(-63) (-1)422 2 9 -334(-22)(-7) -6.1(-3.9)(-0.3)4.3 2 1 1 3 7 9 ()() 2.6(
2、)(5.2) 7 3 8 7 5 5 (5y3) y3(29a) 18x9(3y8c) (6xy)5(3y8a) 1 (182y)c 6(4b8xy9) 6 1 1 (xy)(mn) 3(7ay)9(m3p) 4 6 4y(4y2) 9y(7y5p)(7p5y) 4(9m5)2m 5(3m3)(8m8) 6(ab7a)(2a9b) 15(abc9a)6(3a8abc) 3(xy9z)(xy5z) 5(pqpr)(8pqpr) 5 x 1 x 0.3x0.86.49.7x 6 4 9 8 1 8x7x 8(x9)3(x8)11 5 3 1 1 (3x5)x4 9x8(17x)5 5 5 y1 y
3、2 9 2x6(x2)30 4 6 1 2 (53x)(3x4) 3(3x1)5 8 3 2 6 ()()(7) 5(2)2(2) 7 7 4 1 10 ( )( ） 25(16)4(17) 5 4 9 1 (0.2)(200) (2)323 (1)2837 2 1 1 1 ()()0 23(4)2(2 9 8 6 1 1 1 ( )( ) 21(27)2(19) 2 5 2 8 1 ( )(40) (1)352 (1)2774 7 6 (-9)(-18) 16(-10) -6.5(-11) 1 1 ()() 131(-34) (-1)313 7 6 99(-11)(-17) 1.8(-3.1
4、)(-4.9)5.8 2 1 1 4 3 8 ()() 4.1()(6.6) 5 4 9 7 5 5 (4m6) y6(79b) 3m9(5y2t) (3my)7(9m4b) 6 (168y)t 9(6b2ab5) 7 1 1 (yz)(pq) 2(8by)6(m2q) 3 3 5n(4n9) 2n(8n3c)(9cn) 9(2b10)9b 9(3a7)(3a5) 7(ab3a)(4a7b) 20(abc4a)4(7a7abc) 8(xy9z)(xy6z) 7(pqpr)(5pqpr) 7 x 1 x 0.5x0.50.85x 3 6 9 4 1 9x1x 7(x7)9(x7)5 3 2 1 2 (9x4)x1 4x4(3x)8 6 5 y1 y1 4 4.5x1(x2)5 2 5 1 2 (23x)(4x3) 3(7x4)6 7 7
