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脱式计算.108×39+247;319×28-549;489×17+198.
题目详情
脱式计算. 108×39+247; 319×28-549; 489×17+198. |
108×39+247;
319×28-549;
489×17+198.
108×39+247;
319×28-549;
489×17+198.
108×39+247;
319×28-549;
489×17+198.
108×39+247;
319×28-549;
489×17+198.
▼优质解答
答案和解析
(1)108×39+247
=4212+247
=4459;
(2)319×28-549
=8932-549
=8383;
(3)489×17+198
=8313+198
=8511. (1)108×39+247
=4212+247
=4459;
(2)319×28-549
=8932-549
=8383;
(3)489×17+198
=8313+198
=8511. (1)108×39+247
=4212+247
=4459;
(2)319×28-549
=8932-549
=8383;
(3)489×17+198
=8313+198
=8511. (1)108×39+247
=4212+247
=4459;
(2)319×28-549
=8932-549
=8383;
(3)489×17+198
=8313+198
=8511.
(1)108×39+247 =4212+247 =4459; (2)319×28-549 =8932-549 =8383; (3)489×17+198 =8313+198 =8511. |
=4212+247
=4459;
(2)319×28-549
=8932-549
=8383;
(3)489×17+198
=8313+198
=8511.
=4212+247
=4459;
(2)319×28-549
=8932-549
=8383;
(3)489×17+198
=8313+198
=8511.
=4212+247
=4459;
(2)319×28-549
=8932-549
=8383;
(3)489×17+198
=8313+198
=8511.
=4212+247
=4459;
(2)319×28-549
=8932-549
=8383;
(3)489×17+198
=8313+198
=8511.
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