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𝑎 ∶ 𝑏 𝑎 𝑏
1 ∶ 𝑛 𝑛1 ∶ 𝑛
3
4
3
7
1 m2 ≠ 100 cm2
≡≡
≡
𝑥𝑥
°
18 cm
18 cm 18 cm 18 cm 18 cm 18 cm
4 km 4 km 4 km
3 3
=
kg/m3 m3
cm3
cm3
cm3
cm3
cm3
400 400 400 400 400
2 𝑙
180 g
× 2
× 2
÷ 2
+
+
=
=
£1 = €1.14
€1 = £0.86£1 = €1.14
× 2
× 10
÷ 10
+
+
=
=
€£1 = €1.14
£171
£1 = $1.24
5 = 8 10 = 13
1 = 1002 = 101
≈
× 1.6
÷ 1.6
× 4 ÷ 4×
5
8
𝑦 = 𝑥2 𝑥 ≥ 0
𝑎
𝑏
Number of hours
Co
st (
£)
× 2 × 2
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