Giải câu 1 trang 105 toán tiếng anh 3

Câu 2: Trang 105 - Toán tiếng anh 3

Calculate mentally ( follow the example)

Tính nhẩm (Theo mẫu):

3600 – 600 =

7800 – 500 =

9500 – 100 =

6200 – 4000 =

4100 – 1000 =

5800 – 5000 =

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Câu 3: Trang 105 - Toán tiếng anh 3

Set out, then calculate:

Đặt tính rồi tính:

a) 7284 – 3528                  b) 6473 – 5645

   9061 – 4503                       4492 – 833

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Câu 4: Trang 105 - Toán tiếng anh 3

There were 4720kg of salt in a warehouse, 2000kg of which have been removed for the first time. Another 1700kg were removed for the second time. How many kilograms of salt were left in the warehouse? ( Solve by the two methods)

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Câu 4: Trang 105 - Toán tiếng anh 3

There were 4720kg of salt in a warehouse, 2000kg of which have been removed for the first time. Another 1700kg were removed for the second time. How many kilograms of salt were left in the warehouse? ( Solve by the two methods)

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