log2[√(7/48)]+log2(12)-log2(√42)
Log2√(7/48) +log2 12 -(1/2)log2 42
log2 SQR(7/48)+log2 12 -1/2log2 42
log2 SQR(7/48)+log2 12 -1/2log2 48
log2(√1/48)+log2 12-1/2log2 (24)-1/3
log2底√1/48+log2底12-1/2log2底24等于?
log2(根号下7/48)+log2(12)-1/2log2(42)-1=?
求化简log2根号下48分之7+log2 12-log2 42
1/2log2(7/48)+log2 12-1/2log2 42
log2为底数根号7/48为真数+log2为底数12为真数-1/2log2为底数42为真数=?
log2√2等于多少
log2 3×log3 7=log2 7
log2 7等于多少