数字推理 257,271,281,292,()A.254 B.305 C.294 D.316 3,4,7,8,16,()A.18 B.22 C.36 D.45227,238,251,259 A263 B273 C275 D299请帮忙做这三题

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数字推理 257,271,281,292,()A.254 B.305 C.294 D.316 3,4,7,8,16,()A.18 B.22 C.36 D.45227,238,251,259 A263 B273 C275 D299请帮忙做这三题
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数字推理 257,271,281,292,()A.254 B.305 C.294 D.316 3,4,7,8,16,()A.18 B.22 C.36 D.45227,238,251,259 A263 B273 C275 D299请帮忙做这三题
数字推理 257,271,281,292,()A.254 B.305 C.294 D.316 3,4,7,8,16,()A.18 B.22 C.36 D.45
227,238,251,259 A263 B273 C275 D299请帮忙做这三题

数字推理 257,271,281,292,()A.254 B.305 C.294 D.316 3,4,7,8,16,()A.18 B.22 C.36 D.45227,238,251,259 A263 B273 C275 D299请帮忙做这三题
257,271,281,292,(B)
A.254 B.305 C.294 D.316
257+2+5+7=271
271+2+7+1=281
281+2+8+1=292
292+2+9+2=305
3,4,7,8,16,(B)
A.18 B.22 C.36 D.45
7+8=15(5×3)
4+16=20(5×4)
3+22=25(5×5)
227,238,251,259,(B)
A263 B273 C275 D299
227+2+2+7=238
238+2+3+8=251
259+2+5+9=273