计算下面各题.(带*的题要用简便方法计算) 150-100÷25 22×(23+27) 48÷12×2 7

计算下面各题.(带*的题要用简便方法计算) 150-100÷25 22×(23+27) 48÷12×2 774÷(27+16) *462-179-21 *45×16.

(1)150-100÷25,
=150-4,
=146;

(2)22×(23+27),
=22×50,
=1100;

(3)48÷12×2,
=4×2,
=8;

(4)774÷(27+16),
=774÷43,
=18;

(5)462-179-21,
=462-(179+21),
=462-200,
=262.

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