(-191919×9898+989898×1919)÷(-1/2+3.14)=?
问题描述:
(-191919×9898+989898×1919)÷(-1/2+3.14)=?
答
(-191919*9898+989898*1919)/(-1/2+3.14)
=(-19*10101*98*101+98*10101*19*101)/(-1/2+3.14)
=0/(-1/2+3.14)
=0