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Số? a) 17 m = .?. dm 30 dm = .?. m b) 136 m = .?. cm 52 000 cm = .?. m c) 8 m = .?. mm 91 000 mm = .?. m

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Toán lớp 4 Tập 2 trang 15 Bài 1 Luyện tập: Số?

a) 17 m = .?. dm

30 dm = .?. m

b) 136 m = .?. cm

52 000 cm = .?. m

c) 8 m = .?. mm

91 000 mm = .?. m

Lời giải:

a) 17 m = 170 dm

30 dm = 3 m

b) 136 m = 13 600cm

52 000 cm = 520 m

c) 8 m = 8 000mm

91 000 mm = 91m

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