64X2.5x0.5X12.5用简便计算怎么写?

2024-12-03 14:55:26
推荐回答(3个)
回答(1):

解闹困清尺野,液前64x2.5x0.5x12.5
=8x4X2x2.5x0.5x12.5
=(8x12.5)x(4x2.5)×(2x0.5)
=100x10x1
=1000

回答(2):

64×2.5×0.5×12.5
=(8×8)×(2.5×0.5)×12.5
=8×8×1.25×12.5
=(8×1.25)×(8×12.5)
=10×100
=1000

回答(3):

64×2.5×0.5×12.5
=32×2.5×12.5
=(粗岩30+2)码凳敬迟慎×2.5×12.5
=(75+5)×12.5
=80×12.5=1000