Question

1.3×25.6+76.4×1.3-1.3×2怎么脱式计算？

1.3×25.6+76.4×1.3-1.3×2

Answer 1

1.3×25.6+76.4×1.3-1.3×2
=1.3×（25.6+76.4-2）颤明纤槐冲
=1.3×（茄仿23.6+76.4）
=1.3×100
=130

Answer 2

1.3×25.6+76.4×1.3-1.3×2
=1.3×(25.6+76.4-2)\
=1.3×100
=130