(1/2m²-n)(1/2m²+n)-(2m²-n)²+(-3/2)²(m²n+n²)-25/4m²n -15m⁴+1/4n² (2m-n)²-{(2/3m-1/2n)²-6[(1/2m-n)²-(1/2m+n)²]}-4/3m-(8/3m-7n)3/4n²-6mn
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 11:58:01
xSN0JH vҗ#`U+]`f , ~$i
SaPl"zbi
ȩɇnc>G!%7;
X8!^B&1&ya0Y/i!~+oRwvFeE "ĔCw\`PPk9h{ĄpHA1q@is @'ٴNJۇj4ԛ v Zb3m9#\O@r@?
x▔{\( *HP(3)ܵK.4MҼY_j}ds}s]ڃ|w-vyDιI-tڙ0^K I