把210分解质因数是______．

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问题填空题

把210分解质因数是______．

答案

所以210=2×3×5×7，

故答案为：210=2×3×5×7．

填空题

	1. one apple two orange four banana
	2. three cups thirteen glasses thirty spoons
	3. thirteen bowls twelve bottles fourteen noodles
	4. five book seven books six markers
	5. seventeen desks seven chairs fifteen tables

解答题

既是奇数，又是合数的最小两位数是______．