(1)995-166-34 (2)698-(98+74) (3)48+59+41+52 (4)2×19×5 (5)360÷8÷5 (6)100
(1)995-166-34(2)698-(98+74)(3)48+59+41+52(4)2×19×5(5)360÷8÷5(6)10000÷8÷125....
(1)995-166-34 (2)698-(98+74) (3)48+59+41+52 (4)2×19×5 (5)360÷8÷5 (6)10000÷8÷125.
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(1)995-166-34,
=995-(166+34),
=995-200,
=795;
(2)698-(98+74),
=698-98-74,
=600-74,
=526;
(3)48+59+41+52,
=(48+52)+(59+41),
=100+100,
=200;
(4)2×19×5,
=(2×5)×19,
=10×19,
=190;
(5)360÷8÷5,
=360÷(8×5),
=360÷40,
=9;
(6)10000÷8÷125,
=10000÷(8×125),
=10000÷1000,
=10.
=995-(166+34),
=995-200,
=795;
(2)698-(98+74),
=698-98-74,
=600-74,
=526;
(3)48+59+41+52,
=(48+52)+(59+41),
=100+100,
=200;
(4)2×19×5,
=(2×5)×19,
=10×19,
=190;
(5)360÷8÷5,
=360÷(8×5),
=360÷40,
=9;
(6)10000÷8÷125,
=10000÷(8×125),
=10000÷1000,
=10.
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