简算(1)4.7×4.7+
答案:1 悬赏:50 手机版
解决时间 2021-03-14 20:22
- 提问者网友:斑駁影
- 2021-03-14 13:26
简算(1)4.7×4.7+
最佳答案
- 五星知识达人网友:琴狂剑也妄
- 2021-03-14 13:36
(1)4.7×4.7+4.7×6.3-4.7,
=4.7×(4.7+6.3-1),
=4.7×10,
=47;
(2)7.26÷0.25÷4,
=7.26÷(0.25×4),
=7.26÷1,
=7.26;
(3)9.63×1.01,
=9.63×1+9.63×0.01,
=9.63+0.0963,
=9.7263;
(4)0.25×12.5×4,
=(0.25×4)×12.5,
=1×12.5,
=12.5.
=4.7×(4.7+6.3-1),
=4.7×10,
=47;
(2)7.26÷0.25÷4,
=7.26÷(0.25×4),
=7.26÷1,
=7.26;
(3)9.63×1.01,
=9.63×1+9.63×0.01,
=9.63+0.0963,
=9.7263;
(4)0.25×12.5×4,
=(0.25×4)×12.5,
=1×12.5,
=12.5.
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