(-3a³)²·a³+(-4a)²·a^7-(5a³)³(-3a³)²·a³+(-4a)²·a^7-(5a³)³

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/11 15:34:17
(-3a³)²·a³+(-4a)²·a^7-(5a³)³(-3a³)²·a³+(-4a)²·a^7-(5a³)³

(-3a³)²·a³+(-4a)²·a^7-(5a³)³(-3a³)²·a³+(-4a)²·a^7-(5a³)³
(-3a³)²·a³+(-4a)²·a^7-(5a³)³
(-3a³)²·a³+(-4a)²·a^7-(5a³)³

(-3a³)²·a³+(-4a)²·a^7-(5a³)³(-3a³)²·a³+(-4a)²·a^7-(5a³)³

(-3a³)²×a³+(-4a)²×a^7-(5a³)³
=(9a^6)×a³+16a²×a^7-125a^9
=9a^9+16a^7-125a^9
=(9+16-125)a^9
=-100a^9

=9a^6*a^3+16a^2*a^7-125a^9
=9a^9+16a^9-125a^9
=-100a^9