7x-6.5x=24.5 5.4+4.6×3.5
问题描述:
7x-6.5x=24.5 5.4+4.6×3.5
7x-6.5x=24.5 5.4+4.6×3.5
答
7x-6.5x=24.5
0.5x=24.5
x=49
5.4+4.6×3.5
=5.4+16.1
=21.5