①.=1/8x1/4x1/2x64
=1/64x64
=1
②.=(1/2-1/8)÷75/8
=3/8x8/75
=1/25
3.=14x(32+67+1)
=14x100
=1400
4.=43.8x(16.97-7.97+1)
=43.8x10
=438
5.=50/3-(8/3+53/11)
=14-53/11
=101/11
6.=73/8+121/16+(7/8-57/16)
=267/16-43/16
=14
①.=1/8x1/4x1/2x64
=1/64x64
=1
②.=(1/2-1/8)÷75/8
=3/8x8/75
=1/25
3.=14x(32+67+1)
=14x100
=1400
4.=43.8x(16.97-7.97+1)
=43.8x10
=438
5.=50/3-(8/3+53/11)
=14-53/11
=101/11
6.=73/8+121/16+(7/8-57/16)
=267/16-43/16
=14