简356x11一(178x2)+178=356x11一356十178=356×(11一1)十178=3560十178=3738
356x11-178=178*2*11-178=178*(2*11-1)=3738
356*11-178
=178*2*11-178
=178(22-1)
=178*21
=178(20+1)
=178*20+178
=3560+178
=3738
356x11-178
=178x(2x11)-178
=178x(22-1)
=178x(20+1)
=178x20+178x1
=3560+178
=3738
356×11-178的简便计算
356×11-178
=178×2×11-178 %把356看成178×2
=178×(22-1) %提取公因数178
=178×(20+1) %把(22-1) 改写成(20+1)
=3560+178
=3738