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简介:
168+56+432
=168+432+56
=600+56
=656
(125+50)×8
=125×8+50×8
=1000+400
=1400
74×46+26×46
=(74+26)×46
=100×46
=4600
125×88
=125×(8×11)
=(125×8)×11
=1000×11
=11000
25×32×125
=25×(4×8)×125
=(25×4)×(8×125)
=100×1000
=100000
149×102-149×2
=149×(102-2)
=149×100
=14900
132+56+58+244
=132+58+56+244
=(132+58)+(56+244)
=190+300
=490
(125-40)×8
=125×8-40×8
=1000-320
=680