问题
解答题
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答案
(1)0.11×1.8+8.2×0.11,
=(1.8+8.2)×0.11,
=10×0.11,
=1.1;
(2)0.8×(3.2-2.99÷2.3),
=0.8×(3.2-1.3),
=0.8×1.9,
=1.52;
(3)5.4÷(3.94+0.86)×0.8,
=5.4÷4.8×0.8,
=5.4÷(4.8÷0.8),
=5.4÷6,
=0.9;
(4)(8.1-5.4)÷3.6+85.7,
=2.7÷3.6+85.7,
=0.75+85.7,
=86.45.