题目内容

脱式计算
(98+76)×(98-76)
1800-45×24+196
(47×18+104)÷592×22-(150-108)
(1)(98+76)×(98-76),
=174×22,
=3828;

(2)1800-45×24+196,
=1800-1080+196,
=720+196,
=916;

(3)(47×18+104)÷5,
=(846+104)÷5,
=950÷5,
=190;

(4)92×22-(150-108),
=92×22-42,
=2024-42,
=1982.
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