0.25乘以三点二乘以12点五的简便

Question

如题所述

Answer 1

0.25*3.2*12.5
=0.25*4*0.8*12.5
=1*10
=10追答

3.6:1.5:2
=3.6:（1.5*2）
=3.6:3
=1.2

Answer 2

=1/4x3.2x12.5
=1/4x4x0.8x12.5
=1x10
=10

Answer 3

0.25×3.2×12.5
=0.25×4×0.8×12.5
=1×10
=10追问追答

3.6÷1.5÷2
=3.6÷(1.5×2)
=3.6÷3
=1.2

Answer 4

0.25x4x(0.8x12.5)
=1x10
=10

Answer 5

追问本回答被提问者采纳