问题
解答题
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答案
(1)6.33×101-6.33,
=6.33×(101-1),
=6.33×100,
=633;
(2)17.68÷5.2+2.7×1.5,
=3.4+4.05,
=7.45;
(3)35.6-5×1.73,
=35.6-8.65,
=26.95;
(4)(1.1-0.78)×(2.7-1.95),
=0.32×0.75,
=0.24;
(5)21÷0.25÷0.4,
=21÷(0.25×0.4),
=21÷0.1,
=210;
(6)3.5×0.7+5.5×0.7+0.7,
=(3.5+5.5+1)×0.7,
=10×0.7,
=7.