问题
填空题
求值:log3
|
答案
log3
+lg25+lg4+7log724 27 3
=log33-
+log10 (25×4)+21 4
=-
+2+21 4
=
.15 4
故答案为:
.15 4
求值:log3
|
log3
+lg25+lg4+7log724 27 3
=log33-
+log10 (25×4)+21 4
=-
+2+21 4
=
.15 4
故答案为:
.15 4