托式计算!

2024-12-05 13:32:04
推荐回答(1个)
回答1:

3.63-1.25+17.37-8.75
=(3.63+17.37)-(1.25+8.75)
=21-10
=11

34.42-(4.42-3.87)
=34.42-4.42+3.87
=30+3.87
=33.87

10.27+0.4-8.27
=10.27-8.27+0.4
=2+0.4
=2.4