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计算:(1)+()2 010;
(2)(4-i5)(6+2i7)+(7+i11)(4-3i).
计算:=
A.3n B.3n-1 C.4n D.4n-1
A.- B.i C.1 D.-1
计算:
(1)(2)-(-9.6)0-(3)+(1.5)-2;
(2)(lg5)2+lg2×lg50.
计算:(1)log2+log212-log242-1;
(2)(log32+log92)·(log43+log83).