三个简算:2-8/15×9/16 14÷7/5×5/7 3÷3/4-3/4÷3
问题描述:
三个简算:2-8/15×9/16 14÷7/5×5/7 3÷3/4-3/4÷3
答
2-8/15×9/16
=2-3/10
=1.7
14÷7/5×5/7
=10×5/7
=50/7
3÷3/4-3/4÷3
=4-1/4
=3.75
祝开心