1.科学计数法表示1534000 2.3-2*[-5*(-5)]
问题描述:
1.科学计数法表示1534000 2.3-2*[-5*(-5)]
答
1.科学计数法表示1534000
1.534×10^6
2.3-2*[-5*(-5)]
=3-2*25
=3-50
=-47