小数、分数四则混合运算320题VIP免费

(1)3/7x49/9-4/3(2)8/9x15/36+1/27(3)12x5/6-2/9x3(4)8x5/4+1/4(5)6-3/8-3/8-6(6) 4/7x5/9+3/7x5/9(7)5/2-(3/2+4/5)(8)7/8+(1/8+1/9)(9)9x5/6+5/6(10)3/4x8/9-1/3(1)7x5/49+3/14(2)6x(1/2+2/3)(3)8x4/5+8x11/5(4)31x5/6-5/6(5)9/7-(2/7-10/21)(6)5/9x18-14x2/7(7)4/5x25/16+2/3x3/4(8)14x8/7-5/6x12/15(9)17/32-3/4x9/24(10)3x2/9+1/3(1)5/7x3/25+3/7(2)3/14xx2/3+1/6(3)1/5x2/3+5/6(4)9/22+1/11-1/2(5)5/3x11/5+4/3(6)45x2/3+1/3x15(7)7/19+12/19x5/6(8)1/4+3/4-2/3(9)8/7x21/16+1/2(10)101x1/5-1/5x21(1)(6.8-6.8x0.55)-8.5(2)0.12x4.8-0.12x4.8(3)(3.2x1.5+2.5)-1.6(4)6-1.6-4(5)38+7.85-5.37=(6)7.2-0.8-1.2x5(7)6-1.19x3-0.43=(8)6.5x(4.8-1.2x4)(9)0.68x1.9+0.32x1.9(10)10.15-10.75x0.4-5.7(1)5.8x(3.87-0.13)+4.2x3.74(2)32.52-(6+9.728-3.2)x2.5(3)[(7.1-5.6)x0.9-1.15]m2.5(4)5.4-[2.6x(3.7-2.9)+0.62](5)12x6-(12-7.2)-6(6)2/3-1/2-1/4x2/5(7)2-6/13-9/26-2/3(8)2/9+1/2-4/5+3/8(9)10-5/9+1/6x4(10)1/2x2/5+9/10-9/20(1)5/9x3/10+2/7-2/5(2)1/2+1/4x4/5-1/8(3)3/4x5/7x4/3-1/2(4)23-8/9x1/27-1/27(5)8x5/6+2/5-4(6)1/2+3/4x5/12x4/5(7)8/9x3/4-3/8-3/4(8)5/8-5/4+3/23-9/11(9)(6.8-6.8x0.55)-8.5(10)0.12x4.8-0.12x4.8(1)(3.2x1.5+2.5)-1.6(2)6-1.6-4(3)7.2-0.8-1.2x5(4)6.5x(4.8-1.2x4)(5)5.8x(3.87-0.13)+4.2x3.74(6)32.52-(6+9.728-3.2)x2.5(7)[(7.1-5.6)x0.9-1.15]-2.5(8)5.4-[2.6x(3.7-2.9)+0.62](9)12x6-(12-7.2)-6(10)12x6-7.2-6(1)0.68x1.9+0.32x1.9(2)(58+370)-(64-45)(3)420+580-64x21-28(4)(136+64)x(65-345-23)(5)48.10.15-10.75x0.4-5.7(6)(23/4-3/4)*(3*6+2)(7)3/7x49/9-4/3(8)8/9x15/36+1/27(9)12x5/6-2/9x3(10)8x5/4+1/4(1)6 三 3/8-3/8 三 6(2)4/7x5/9+3/7x5/9(3)5/2-(3/2+4/5)(4)7/8+(1/8+1/9)(5)9x5/6+5/6(6)3/4x8/9-1/3(7)7x5/49+3/14(8)6x(1/2+2/3)(9)8x4/5+8x11/5(10)31x5/6-5/6(1)9/7-(2/7-10/21)(2)5/9x18-14x2/7(3)4/5x25/16+2/3x3/4(4)14x8/7-5/6x12/15(5)17/32-3/4x9/24(6)3x2/9+1/3(7)5/7x3/25+3/7(8)3/14xx2/3+1/6(9)1/5x2/3+5/6(10)9/22+1/11-1/2(1)5/3x11/5+4/3(2)45x2/3+1/3x15(3)7/19+12/19x5/6(4)1/4+3/4-2/3(5)8/7x21/16+1/2(6)101x1/5-1/5x21(7)(6.8-6.8x0.55)-8.5(8)0.12x4.8-0.12x4.8(9)(3.2x1.5+2.5)-1.6(10)6-1.6-4(1)38+7.85-5.37(2)7.2-0.8-1.2x5(3)6-1.19x3-0.43(4)6.5x(4.8-1.2x4)(5)...