Question

三十二乘零点六三乘零点九五的积除以一点六乘以二十一乘以一点九的简便？

请大神帮忙

Answer 1

32*0.63*0.95/1.6*21*1.9=32/1.6*0.63*0.95/21/1.9=20*0.63*0.95/21/1.9=19/1.9*0.63/21=6.3/21=0.3

Answer 2

（32×0.63×0.95）÷（1.6×21×1.9）
=（32÷1.6）×（0.63÷21）×（0.95÷1.9）
=20×0.03×0.5
=（20×0.5）×0.03
=10×0.03
=0.3

Answer 3