问题 解答题
能简算的就简算
2.33×0.5×4                          
9.9×10.1
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.

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