Question

3.7×91.6＋6.3×9.6简便计算，急！急！急！

3.7×91.6＋6.3×9.6简便计算，急！急！急！

Answer 1

3.7×91.6+6.3×91.6
＝（3.7+6.3）×91.6
＝10×91.6
＝916
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Answer 2

3.7×91.6＋6.3×9.6
=3.7x9.6+3.7x82+6.3x9.6
=9.6x(3.7+6.3)+4x82-0.3x82
=9.6x10+328-24.6
=96+303.4
=399.4