Question

简便运算，五年级

1.69×3.3+1.69×5.7+1.69

Answer 1

运用乘法分配率1.69×3.3+1.69×5.7+1.69=1.69×3.3+1.69×5.7+1.69×1=1.69×（3.3+5.7+1）=1.69×10=16.9

追问

• 谢谢 

Answer 2

=1.69*(3.3+5.7+1)
=1.69*10
=16.9

Answer 3

=(3.3+5.7+1)×1.69=10×1.69=16.9

Answer 4

1.69×3.3+1.69×5.7+1.69=1.69×(3.3+5.7+1)=16.9

Answer 5

=1.69×3.3+1.69×5.7+1.69×1
=1.69×(3.3+5.7+1)
=1.69×10
=16.9