题目内容

脱式计算.
26.8-1.2×4
3.5×3+3.5×7
(10-0.92)×(1÷0.1)
6-1.3×(10-7.3)
(1)26.8-1.2×4,
=26.8-4.8,
=22;

(2)3.5×3+3.5×7,
=3.5×(3+7),
=3.5×10,
=35;

(3)(10-0.92)×(1÷0.1),
=9.08×10,
=90.8;

(4)6-1.3×(10-7.3),
=6-1.3×2.7,
=6-3.51,
=2.49.
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