问题
解答题
80+(950-55×11)
25×64×125
54×16+(1141-168÷28)
9600÷25÷4
301×467
9300-(82+67×104)
答案
(1)80+(950-55×11),
=80+(950-55×10-55),
=80+345,
=425;
(2)25×64×125
=(25×4)×(8×125)×2,
=100×1000×2,
=200000;
(3)54×16+(1141-168÷28)
=864+,
=864+1135,
=1999;
(4)9600÷25÷4
=9600÷(25×4),
=9600÷100,
=96.
(5)301×467
=300×467+467,
=140100+467,
=140567;
(6)9300-(82+67×104)
=9300-(82+67×100+67×4),
=9300-(82+6700+268),
=9300-7050,
=2250.