276+288+352+219用简便计算?

2024-12-27 18:43:18
推荐回答(3个)
回答1:

276+288+352+219
=276+288+312+40+220-1
=(288+312)+(276+220+40)-1
=600+496+40-1
=1096+4+36-1
=1100+35
=1135。

回答2:

288+352+276+219=1135

回答3:

276+288+352+219
= (288+352)+(276+219)
= 640+495
= 1135