(3.8*4.5-0.7):(6.3:2.1-2.6)=16
3.8*4.5=17.1
17.1-0.7=16.4
6.3:2.1=3
3-2.6=0.4
16.4-0.4=16
3,8*4,5-0,7=16,4
6,3:2,1-2,6=0,4
16,4:0,4=41
(3.8*4.5-0.7):(6.3:2.1-2.6)=16
3.8*4.5=17.1
17.1-0.7=16.4
6.3:2.1=3
3-2.6=0.4
16.4-0.4=16
3,8*4,5-0,7=16,4
6,3:2,1-2,6=0,4
16,4:0,4=41