Question

Tolong dong 40,41,42 pakai cara ya

Answer 1

No. 40
8 2/6 x 3 6/10 : 12/15
= 25/3 x 18/5 x 15/12
= 450/15 x 15/12
= 450/12 = 37 1/2

no. 41
AB = AD - BD
= 12 4/8 - 5 3/6
= 12 1/2 - 5 1/2
= 7 cm

no. 42
10 hari = 10 x 12 2/4
= 120 2/4
= 120/2
= 60 kg

Answer 2

No.40
8 2/6 ×3 6/8 :12/5=
50/6 ×30/8×15/2=
25/1 ×5/8×15/1=1375 cm

no.41jadi,AB=12 4/8 -5 3/6=12 24/48-5 24/48=7 1/48cm

no.42 jadi,12 2/4×10/1=50/4×10/1=500/4=125 kg