x-0.7x=6.3怎样解
问题描述:
x-0.7x=6.3怎样解
答
x-0.7x=6.3
0.3x=6.3
x=6.3÷0.3
x=21
x-0.7x=6.3怎样解
x-0.7x=6.3
0.3x=6.3
x=6.3÷0.3
x=21