Question

1.2×75+2.4+1.2×23等于多少用简便方法计算

Answer 1

1.2×75+2.4+1.2×23
=1.2×75+1.2×2+1.2×23
=1.2×（75+2+23）
=1.2×100
=120

Answer 2

这道题我们直接可以变成1.2×75+1.2×2+1.2×23。然后提取公因式把1.2提取出来，变成1.2×（75+2+23）。最后得出结果是120。