梯形的面积等于梯形的上底加下底的和乘高.______.(判断对错)
因为:梯形的面积=(上底+下底)×高÷2,原题说法错误.
故答案为:×.
(lg5)2+lg2×lg50=______.
Under no()will I go there again.
A.circumstances
B.situation
C.giant
D.happen