问题 解答题
124+38+76+62222-56-4416×125.
答案

①124+38+76+62,

=(124+76)+(38+62),

=200+100,

=300;

②222-56-44,

=222-(56+44),

=222-100,

=122;

③16×125,

=4×(4×25),

=4×100,

=400.

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