Question

3.2x1.2—3.2用简便运算怎么算？

3.2x1.2—3.2简便运算怎么算

Answer 1

3.2X1.2－3.2
=3.2X（1.2－1）
=3.2ⅹ0.2
=0.64

Answer 2

用乘法分配律
3.2×1.2-3.2
=3.2×（1.2-1）
=3.2×0.2
=0.64

Answer 3

3.2*1.2-3.2
=3.2*（1.2-1）
=3.2*0.2
=0.64

Answer 4

3.2×1.2－3.2
=3.2×(1.2－1)
=3.2×0.2
=0.64

Answer 5

3.2×1.2-3.2
=3.2×(1.2-1)
=3.2×0.2
=0.64