根据所给的算式,在下面的括号里填上合适的数,你能想出几种填法?
(1)35×56=1960
19.6=______×______
=______×______
=______×______
1.96=______×______
=______×______
=______×______
(2)86×31=2666
2.666=______×______
=______×______
=______×______
26.66=______×______
=______×______
=______×______.
根据所给的算式,在下面的括号里填上合适的数,你能想出几种填法?(1)35×56=196019.6=______×______=______×______=______
答案:2 悬赏:30 手机版
解决时间 2021-01-04 07:27
- 提问者网友:人生佛魔见
- 2021-01-03 22:40
最佳答案
- 五星知识达人网友:酒者煙囻
- 2021-01-03 22:51
解:(1)35×56=1960,
19.6=0.35×56,
=35×0.56,
=3.5×5.6;
1.96=0.035×56,
=35×0.056,
=3.5×0.56;
(2)86×31=2666,
2.666=0.086×31,
=86×0.031,
=8.6×0.31;
26.66=0.86×31,
=86×0.31,
=8.6×3.1;.
故
19.6=0.35×56,
=35×0.56,
=3.5×5.6;
1.96=0.035×56,
=35×0.056,
=3.5×0.56;
(2)86×31=2666,
2.666=0.086×31,
=86×0.031,
=8.6×0.31;
26.66=0.86×31,
=86×0.31,
=8.6×3.1;.
故
全部回答
- 1楼网友:思契十里
- 2021-01-03 23:01
我明天再问问老师,叫他解释下这个问题
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