(1) Grandma Zhang has a colored rope of 32 cm. How many Chinese knots can she knit?
(2) How many decimeter colored ropes does Xiaoli need to knit six Chinese knots?
Test answer
Analysis (1) According to the meaning of including division, divide 32 by the length of rope required for each Chinese knot to get the solution;
(2) Multiply the required rope length of each Chinese knot by 6 to get the solution.
Solution: (1)32÷4=8 (pieces)
Answer: I can knit 8 Chinese knots.
4× 6 = 24 (decimeter)
Answer: 24 Besty ropes are required.
Comment on this problem is mainly based on the significance of solving practical problems by multiplication and division.
It's too slow to find the answer one question after another.
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