问题
解答题
|
答案
(1)2.33×0.5×4,
=2.33×(0.5×4),
=2.33×2,
=4.66;
(2)9.9×10.1,
=9.9×(10+0.1),
=9.9×10+9.9×0.1,
=99+0.99,
=99.99.
|
(1)2.33×0.5×4,
=2.33×(0.5×4),
=2.33×2,
=4.66;
(2)9.9×10.1,
=9.9×(10+0.1),
=9.9×10+9.9×0.1,
=99+0.99,
=99.99.