问题 解答题

19-2.3×3.6

0.125×2.5×8×0.4

(18.02+12.58)×1.3

42.3÷0.09×1.8

0.35÷0.25×4

9.06×10.1-0.1×9.06.

答案

(1)19-2.3×3.6,

=19-8.28,

=10.72;

(2)0.125×2.5×8×0.4,

=(0.125×8)×(2.5×0.4),

=1×1,

=1;

(3)(18.02+12.58)×1.3,

=30.6×1.3,

=39.78;

(4)42.3÷0.09×1.8,

=470×1.8,

=846;

(5)0.35÷0.25×4,

=1.4×4,

=5.6;

(6)9.06×10.1-0.1×9.06,

=9.06×(10.1-0.1),

=9.06×10,

=90.6.

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