yo小白龙
yo小白龙
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二维数组里面,根据某个一样的元素,其它的元素相加 [ [ "a", 30.0, 27.969999999999999, 0.0 ], [ "a", 20.0, 20.66, 0.0 ], [ "b", 160.0, 127.08, 5.0 ], [ "b", 30.0, 2.0, 1.0 ], [ "c", 1.0, 0.0, 0.0 ], [ "a", 10.0, 10.859999999999999, 0.0 ], [ "b", 8.0, 5.3200000000000003, 1.0 ], [ "b", 20.0, 9.6500000000000004, 0.0 ], [ "a", 20.0, 11.300000000000001, 1.0 ], [ "d", 60.0, 56.609999999999999, 6.0 ], [ "d", 60.0, 57.340000000000003, 4.0 ], [ "c", 90.0, 72.420000000000002, 8.0 ], [ "a", 80.0, 7.9000000000000004, 1.0 ] ] 得到如下一个数组 [ [ "a", 160.0, 78.689999999999998, 2.0 ], [ "b", 218.0, 144.05000000000001, 7.0 ], [ "c", 91.0, 72.420000000000002, 8.0 ], [ "d", 120.0, 113.95, 10.0 ] ]
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2020全新政策,扶持力度大 2020全新政策,全面扶持服务商、代理商、商户,以落地为目的,一起做市场,有意者私聊,坐标深圳,欢迎实地考察,更有0元成为代理商,有意私聊我 支持场景多,完整的软硬件支撑! 运营、物料、技术、售后,一起做支付4.0市场
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