问题 解答题

6.33×101-6.33

1.6×55.4-55.4×0.6

17.68÷5.2+2.7×1.5

35.6-5×1.73

(1.1-0.78)×(2.7-1.95)

答案

(1)6.33×101-6.33,

=(101-1)×6.33,

=100×6.33,

=633;

(2)1.6×55.4-55.4×0.6,

=(1.6-0.6)×55.4,

=1×55.4,

=55.4;

(3)17.68÷5.2+2.7×1.5,

=3.4+4.05,

=7.45;

(4)35.6-5×1.73,

=35.6-8.65,

=26.95;

(5)(1.1-0.78)×(2.7-1.95),

=0.32×0.75,

=0.24.

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