1.2.4...9-1.2.3...8-1.2.3...7.82
=8!.9-8!.1-8!.8
=8!(9-1-8)
=8!.0
=0
tick ủng hộ mình nhá!
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1.2.4...9-1.2.3...8-1.2.3...7.82
=8!.9-8!.1-8!.8
=8!(9-1-8)
=8!.0
=0
tick ủng hộ mình nhá!
1.2.3...9-1.2.3...8-1.2.3...7.82
1.2.3...9-1.2.3...8-1.2.3...8^2
Giải thích giùm mình nha
tính nhanh 1.2.3....9 - 1.2.3....8 - 1.2.3......8^2
1.2.3....9-1.2.3...8-1.2.3....7.8.8
b) 1.2.3...9-1.2.3...8-1.2.3...7.8^ 2
A = 1.2.3....9 - 1.2.3...8 - 1.2.3.....8.8
1.2.3......9-1.2.3....8-1.2.3.....8.8 mng giúp với ạ
tính: 1.2.3.....9-1.2.3.....8-1.2.3.....82
Tính hợp lý:1.2.3...9-1.2.3...8-1.2.3...82