berapa hasil soal nomor 12-13

12. 145 - 132 = 13
13. 25 kg + 25 ons +5000 gram =..... hg
(25 × 10) + 25 (karena ons = hg) + (5000 : 1000)
250 + 25 + 5 = 280

no.12 145-132= 13
no.13 25kg+25ons+500gram=.....hg
(25×10)=250
1ons=0,1kg
25×0,1=2,5×10=25
1gram =0,01hg
500×0,01=5 hg
jd 250+25+5=280hg