Question

Selesaikan operasi berikut
[1/3+1/4]×0,25
[3/2-1/5]:0,05
[2/5-0,25]×1,4
0,9:[1/8-0,05]

Answer 1

1) 1/3+1/4=4/12+3/12=7/12
7/12×0,25=7/48
2) 3/2-1/5=15/10-2/10=13/10
13/10:0,05=26
3) 2/5-1/4=8/20-5/20=3/20
3/20:1,4=21/100=0,21
4) 1/8-1/20=5/40-2/40=3/40
9/10:3/40=12