4.98x9·9十49·8的简便方法
答案:5 悬赏:50 手机版
解决时间 2021-03-18 09:01
- 提问者网友:一抹荒凉废墟
- 2021-03-17 20:34
4.98x9·9十49·8的简便方法
最佳答案
- 五星知识达人网友:毛毛
- 2021-03-17 21:40
4.98x9·9十49·8
=4.98x9·9十4.98*10
=4.98*(9.9+10)
=4.98*(20-0.1)
=99.6-0.498
=99.102
=4.98x9·9十4.98*10
=4.98*(9.9+10)
=4.98*(20-0.1)
=99.6-0.498
=99.102
全部回答
- 1楼网友:患得患失的劫
- 2021-03-18 00:33
4.98×(10-0.1)+49.8=49.8+49.8-0.498+49.8=99.102
- 2楼网友:低血压的长颈鹿
- 2021-03-18 00:07
=4.98X10-4.98X0.1+4.98X10=49.8+49.8一0.498=99.6-0.498
- 3楼网友:长青诗
- 2021-03-17 23:00
4.98换成49.8乘以0.99然后提取49.8乘(0.99➕1)
- 4楼网友:忘川信使
- 2021-03-17 22:08
4.98×9+4.98
=4.98×(9+1)
=4.98×10
=49.8追答错了4.98×9.9+49.8
=4.98×9.9+4又碰了,糟4.98×9.9+49.8
=4.98×(9.9+0.1)-4.98×0.1+49.8
=49.8+49.8-0.498
=89.6-0.498
=89.102
=4.98×(9+1)
=4.98×10
=49.8追答错了4.98×9.9+49.8
=4.98×9.9+4又碰了,糟4.98×9.9+49.8
=4.98×(9.9+0.1)-4.98×0.1+49.8
=49.8+49.8-0.498
=89.6-0.498
=89.102
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