问题
解答题
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答案
(1)2.6×(3.5+2.8),
=2.6×6.3,
=16.38;
(2)8.84÷1.7-0.52,
=5.2-0.52,
=4.68;
(3)1.58×99+1.58,
=1.58×(99+1),
=1.58×100,
=158;
(4)2×4.67×0.5,
=(2×0.5)×4.67,
=1×4.67,
=4.67.
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(1)2.6×(3.5+2.8),
=2.6×6.3,
=16.38;
(2)8.84÷1.7-0.52,
=5.2-0.52,
=4.68;
(3)1.58×99+1.58,
=1.58×(99+1),
=1.58×100,
=158;
(4)2×4.67×0.5,
=(2×0.5)×4.67,
=1×4.67,
=4.67.