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1. 21 × 6 = 126cm²
2. 16 × 9 = 144cm²
3. 8 × 10 = 80dm²
4. 15 × 3 = 45m²
5. 144 ÷ 12 = 12 cm
6. 36 ÷ 9 = 4dm
7. 170 ÷ 17 = 10m
8. 156 ÷ 12 = 13 cm
9. 128 ÷ 16 = 8 cm
10. 117 ÷ 9 = 13cm

1. 21cm x 6cm =126 cm²
2. 16cm x 9cm=144 cm²
3. 8 dm x 10 dm =80 dm²
4. 15 m x 3 m =45 m²
5. 144 cm² : 12cm=12 cm
6. 36 dm² : 9 dm =4 dm
7. 170 m² : 17 m=10 m
8. 156 cm² : 12 cm=13 cm
9. 128cm² : 16 cm= 8 cm
10. 117cm² : 9cm=13 cm
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