19×36+19×36+19简便计算?

2025-03-03 20:12:12
推荐回答(5个)
回答1:

19*36+19*36+19
=19*(36+36+1)
=19*73
=1387

回答2:

19ⅹ36+19ⅹ36+19
=19ⅹ(36+36+1)
=(20一1)ⅹ73
=20x73一73
=1460-73
=1387

回答3:

19×36+19×36+19
=19×(36+36+1)
=19×73
=(20-1)×73
=20×73-1×73
=1460-73
=1387

回答4:

19×36+19×36+19
=19×(36+36+1)
=19×73
=1387

回答5: