问题
解答题
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答案
(1)8.9×2.7×1.1,
=24.03×1.1,
=26.433;
(2)8.25×3.4+6.9,
=28.05+6.9,
=34.95;
(3)8.95×36-40.74,
=322.2-40.74,
=281.46;
(4)12.8×0.5+6.43,
=6.4+6.43,
=12.83;
(5)3.9×5.4-2.84,
=21.06-2.84,
=18.22;
(6)22-1.6×6,
=22-9.6,
=12.4.