题目内容

脱式计算
480÷6-3540×7+5525×4×8
76-18×4(57+33)÷348÷6×15.
(1)480÷6-35,
=80-35,
=45;

(2)40×7+55,
=280+55,
=335;

(3)25×4×8,
=(25×4)×8,
=100×8,
=800,;

(4)76-18×4,
=76-72,
=4;

(5)(57+33)÷3,
=90÷3,
=30;

(6)48÷6×15,
=8×15,
=120.
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