(5x7.12+8.4*)除以(5+*)=7.6
问题描述:
(5x7.12+8.4*)除以(5+*)=7.6
答
(35.6+8.4X)÷(5+X)=7.6 35.6+8.4X=7.6×(5+X) 35.6+8.4X=38+7.6X 8.4X-7.6X=38-35.60.8X=2.4 X=2.4÷0.8 X=3你看看对吗?
(5x7.12+8.4*)除以(5+*)=7.6
(35.6+8.4X)÷(5+X)=7.6 35.6+8.4X=7.6×(5+X) 35.6+8.4X=38+7.6X 8.4X-7.6X=38-35.60.8X=2.4 X=2.4÷0.8 X=3你看看对吗?