【能简算的要简算,写过程.非常急,12:40以前要用(1)3/11÷(3/4×3/11)(2)6/5×2/3÷2/7÷8/7(3)5/9×3/5×9/2(4)3/7×(1÷2/3)(5)5/8×4×1/5(6)12÷(3/4÷1/5)(7)7/13÷9+1/9×6/13(8)32-4/3-8/3(9】
能简算的要简算,写过程.非常急,12:40以前要用
(1)3/11÷(3/4×3/11)
(2)6/5×2/3÷2/7÷8/7
(3)5/9×3/5×9/2
(4)3/7×(1÷2/3)
(5)5/8×4×1/5
(6)12÷(3/4÷1/5)
(7)7/13÷9+1/9×6/13
(8)32-4/3-8/3
(9)(1/2+1/3)×(34/5-4/5)
(10)54又2/5÷17
(11)1/2×5/12+1/2×1/3
(12)1/4×3/7+1/4×4/7+1/4
(13)3/4×2/3+1/3×3/4
(14)120×(1/2+1/3+1/4)