Mathematics problems in the sixth grade of primary school last semester - Training Enrollment Network

Mathematics problems in the sixth grade of primary school last semester

1.12.56÷ 3.14÷ 2 = 2 (m) 2? ×3. 14= 12.56 (m2) A: Its area is 12.56 m2.

2. 15× 2-3 = 27 (Ben) A: Xiaohua has 27 story books.

Three. 50.24÷3. 14÷2=8 (m) 8? ×3. 14÷8=25. 12 (square meters) Answer: Chrysanthemum covers an area of 25. 12 square meters.

4.8÷2=4 (meters) 4? ×3. 14=50.24 (square meters) A: The maximum area of this circle is 50.24 square meters.

Verb (abbreviation of verb) 3.14× 4 ÷ 3.14 ÷ 2 = 2 (cm) 2? ×3. 14= 12.56 (square centimeter) A: The area of this circle is 12.56 square centimeter.

6. 0.7× 3.14 = 2.198 (m) 2.198× 90× 40 = 7912.8 (m) 567 ÷ 2./kloc

A: 40 minutes is 79 12.8 meters, and it takes about 3 minutes to cross a 567-meter bridge.

7.5×2= 15 (cm) 7.5×2×3. 14=47. 1 (cm)15+47.1= 62./kloc-0.

Answer: This rope is at least 62. 1 cm long.

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