90.78-52÷26×4简便运算
问题描述:
90.78-52÷26×4简便运算
答
90.78-52÷26×4
=90.78-2×4
=90.78-8
=82.78
90.78-52÷26×4简便运算
90.78-52÷26×4
=90.78-2×4
=90.78-8
=82.78