Question

4.9ⅹ3.2+9.6ⅹ1.7

Answer 1

4.9×3.2+9.6×1.7
=4.9×3.2+(3.2×3)×1.7
=4.9×3.2+3.2×(3×1.7)
=4.9×3.2+3.2×5.1
=3.2×(4.9+5.1)
=3.2×10
=32

Answer 2

解:可以运用乘法分配律将9.6化为3.2ⅹ3同1.7连乘，然后提取3.2，按四则运算法则进行计算。计算过程
4.9ⅹ3.2+9.6ⅹ1.7
=4.9ⅹ3.2+3.2ⅹ3ⅹ1.7
=3.2ⅹ(4.9+5.1)
=3.2ⅹ10
=32。