怎样简便就怎样算. 58×99+58 101×88 125×32×25 117+48+52+83 88×125 336-156-144
怎样简便就怎样算.58×99+58101×88125×32×25117+48+52+8388×125336-156-144....
怎样简便就怎样算. 58×99+58 101×88 125×32×25 117+48+52+83 88×125 336-156-144.
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(1)58×99+58,
=58×(99+1),
=58×100,
=5800;
(2)101×88,
=100×88+1×88,
=8800+88,
=8888;
(3)125×32×25,
=(125×8)×(4×25),
=1000×100,
=100000;
(4)117+48+52+83,
=(117+83)+(48+52),
=200+100,
=300;
(5)88×125,
=11×(8×125),
=11×1000,
=11000;
(6)336-156-144,
=336-(156+144),
=336-300,
=36.
=58×(99+1),
=58×100,
=5800;
(2)101×88,
=100×88+1×88,
=8800+88,
=8888;
(3)125×32×25,
=(125×8)×(4×25),
=1000×100,
=100000;
(4)117+48+52+83,
=(117+83)+(48+52),
=200+100,
=300;
(5)88×125,
=11×(8×125),
=11×1000,
=11000;
(6)336-156-144,
=336-(156+144),
=336-300,
=36.
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