问题 解答题

7.2×1.5÷3

21.3÷2.5

6.4×5.8÷0.032

36×10.1-3.6

100.1-100.1÷1.001

18.6÷(18.6×0.5)

答案

(1)7.2×1.5÷3,

=10.8÷3,

=3.6;

(2)21.3÷2.5=8.52;

(3)6.4×5.8÷0.032,

=37.12÷0.032,

=1160;

(4)36×10.1-3.6,

=3.6×101-3.6,

=3.6×(101-1),

=3.6×100,

=360;

(5)100.1-100.1÷1.001,

=100.1-100,

=0.1;

(6)18.6÷(18.6×0.5),

=18.6÷18.6÷0.5,

=1÷0.5,

=2.

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