问题 解答题

计算.(能简算的要简算)

300-273÷91-70

125×32×25

365×127-27×365

8.27-1.35+1.73-4.65.

答案

(1)300-273÷91-70,

=300-3-70,

=300-70-3,

=230-3,

=227;

(2)125×32×25,

=125×(8×4)×25,

=(125×8)×(4×25),

=1000×100,

=100000;

(3)365×127-27×365,

=365×(127-27),

=365×100,

=36500;

(4)8.27-1.35+1.73-4.65,

=(8.27+1.73)-(1.35+4.65),

=10-6,

=4.

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