Câu hỏi của Hoàng Yến Chibi

Question

Tính bằng cách thuận tiên nhất:10 . 46 . 95 + 69 . 120 : 84 . 312 - 611Các bn ơi giải hộ mik với!

nguyen thi bao tien · Accepted Answer

$10.4^6.9^5+6^9.120:8^4.3^{12}-6^{11}$$=2.5.2^{12}.3^{10}+3^9.2^9.2^3.3.5:2^{12}.3^{12}-3^{11}.2^{11}$$=5.2^{13}.3^{10}+2^{12}.5:2^{12}.3^{22}-3^{11}.2^{11}$$=5.2^{13}.3^{10}+5.3^{22}-3^{11}.2^{11}$$=5.3^{10}.\left(2^{13}+3^{12}\right)-3^{11}.2^{11}$Câu trả lời: $10.4^6.9^5+6^9.120:8^4.3^{12}-6^{11}$$=2.5.2^{12}.3^{10}+3^9.2^9.2^3.3.5:2^{12}.3^{12}-3^{11}.2^{11}$$=5.2^{13}.3^{10}+2^{12}.5:2^{12}.3^{22}-3^{11}.2^{11}$$=5.2^{13}.3^{10}+5.3^{22}-3^{11}.2^{11}$$=5.3^{10}.\left(2^{13}+3^{12}\right)-3^{11}.2^{11}$

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