问题
解答题
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答案
(1)7.1×6.27+6.27×2.9
=(7.1+2.9)×6.27
=10×6.27
=62.7;
(2)145.8-45.8÷0.4
=145.8-114.5
=31.3;
(3)19.6÷0.125÷8
=19.6÷(0.125×8)
=19.6÷1
=19.6.
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(1)7.1×6.27+6.27×2.9
=(7.1+2.9)×6.27
=10×6.27
=62.7;
(2)145.8-45.8÷0.4
=145.8-114.5
=31.3;
(3)19.6÷0.125÷8
=19.6÷(0.125×8)
=19.6÷1
=19.6.