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估一估.11×8≈38×6≈58×7≈82×3≈289×4≈602×6≈509×8≈511×4≈

题目详情

估一估.
11×8≈
38×6≈
58×7≈
82×3≈
289×4≈
602×6≈
509×8≈
511×4≈

估一估.
11×8≈
38×6≈
58×7≈
82×3≈
289×4≈
602×6≈
509×8≈
511×4≈

估一估.
11×8≈
38×6≈
58×7≈
82×3≈
289×4≈
602×6≈
509×8≈
511×4≈

估一估.
11×8≈
38×6≈
58×7≈
82×3≈
289×4≈
602×6≈
509×8≈
511×4≈

估一估.
11×8≈
38×6≈
58×7≈
82×3≈
289×4≈
602×6≈
509×8≈
511×4≈









▼优质解答
答案和解析
11×8≈80, 38×6≈240, 58×7≈420, 82×3≈240,
289×4≈1200, 602×6≈3600, 509×8≈4000, 511×4≈2000.
故答案为:80,240,420,240,1200,3600,4000,2000.
11×8≈80, 38×6≈240, 58×7≈420, 82×3≈240,
289×4≈1200, 602×6≈3600, 509×8≈4000, 511×4≈2000.
故答案为:80,240,420,240,1200,3600,4000,2000.
11×8≈80, 38×6≈240, 58×7≈420, 82×3≈240,
289×4≈1200, 602×6≈3600, 509×8≈4000, 511×4≈2000.
故答案为:80,240,420,240,1200,3600,4000,2000.
11×8≈80, 38×6≈240, 58×7≈420, 82×3≈240,
289×4≈1200, 602×6≈3600, 509×8≈4000, 511×4≈2000.
故答案为:80,240,420,240,1200,3600,4000,2000.
11×8≈80, 38×6≈240, 58×7≈420, 82×3≈240,
289×4≈1200, 602×6≈3600, 509×8≈4000, 511×4≈2000.
11×8≈80, 38×6≈240, 58×7≈420, 82×3≈240, 289×4≈1200, 602×6≈3600, 509×8≈4000, 511×4≈2000. 11×8≈80, 38×6≈240, 58×7≈420, 82×3≈240, 11×8≈80, 11×8≈80, 38×6≈240, 38×6≈240, 58×7≈420, 58×7≈420, 82×3≈240, 82×3≈240, 289×4≈1200, 602×6≈3600, 509×8≈4000, 511×4≈2000. 289×4≈1200, 289×4≈1200, 602×6≈3600, 602×6≈3600, 509×8≈4000, 509×8≈4000, 511×4≈2000. 511×4≈2000. 故答案为:80,240,420,240,1200,3600,4000,2000.