Question

0.9乘(61.25除以1.75加6.5)的简算

Answer 1

0.9乘(61.25除以1.75加6.5)
=0.9x(245÷7+6.5）
=0.9×（35+6.5）
=0.9×41.5
=41.5-4.15
=36.5+0.85
=37.35
0.9乘(61.25除以1.75加【65】)
=0.9x(245÷7+65）
=0.9×（35+65）
=90