Bài tập cuối tuần Toán 5 Cánh diều Tuần 32 có đáp án

Tính. a) 376 + (315 + 624)

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Tính.

a)376 + (315 + 624)

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c) \(\frac{5}{7} \times \frac{8}{{23}} + \frac{8}{{23}} \times \frac{5}{7}\)

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b) 241 – (23,8 + 16,2) – 12,6

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Giải thích

a)376 + (315 + 624)

= 376 + 939

= 1 315

c)\(\frac{5}{7} \times \frac{8}{{23}} + \frac{8}{{23}} \times \frac{5}{7}\)

= \(\frac{5}{7} \times \left( {\frac{8}{{23}} + \frac{8}{{23}}} \right)\)

= \(\frac{5}{7} \times \frac{{16}}{{23}}\)

= \(\frac{{80}}{{161}}\)

b) 241 – (23,8 + 16,2) – 12,6

= 241 – 40 – 12,6

= 201 – 12,6

= 188,4