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Tas ir parasti)
80 kg : ? = 7 c 20 kg
7c 20 kg = 720 kg
720 : 80 = 9
? = 9

?(1) eiro ?(2) centi : 70 = 7 centi
70 7 = 490 centi
490 : 100 = 4 eiro 90 centi
?(1) = 4 ?(2) = 90

12 eiro 60 centi : ? = 1 eiro 40 centi
12 eiro 60 centi = 1260 centi
1 eiro 40 centi = 140 centi
1260 : 140 = 9
? = 9

?(1) m ?(2) cm : 9 = 24 cm
24 9 = 188 cm
188 : 100 = 1 m 88 cm
?(1)= 1 ?(2) = 88

?(1) m ?(2) cm : 7 = 1 m 7 cm
1 m 7 cm = 107 cm
107 7 = 749 cm
749 : 100 = 7 m 49 cm
?(1) = 7 ?(2) = 49 cm

?(1) cnt ?(2) kg : 6 = 18 kg
18 6 = 108 kg
108 : 100 = 1 cnt 8 kg
?(1) = 1 ?(2) = 8

? cm 7 = 8 dm 4 cm
8 dm 4 cm = 84 cm
84 : 7 = 12 cm
? = 12