怎样简便就怎样算.88×0.25×9 1.2×9.7+0.3

2025-02-27 03:55:14
推荐回答(1个)
回答1:


(1)88×0.25×9,
=(8×11)×0.25×9,
=(8×0.25)×(11×9),
=2×99,
=198;

(2)1.2×9.7+0.3×1.2,
=1.2×(9.7+0.3),
=1.2×10,
=12;

(3)5.64÷0.4+0.6×1.8,
=14.1+1.08,
=15.18;

(4)(12.5+0.125)×8,
=12.5×8+0.125×8,
=100+1,
=101.