33/37×36
=33/37×(37-1)
=33/37×37-33/37×1
=33-33/37
=32又4/37
33/37×38
=33/37×(37+1)
=33/37×37+33/37×1
=33+33/37
=33又33/37
33/37×36
=33/37x(37-1)
=33/37x37-33/37x1
=33-33/37
=32又4/37
33/37×38
=33/37x(37+1)
=33/37x37+33/37x1
=33+33/37
=33又33/37
0.67×10.1-6.7
=6.7x1.01-6.7x1
=6.7x(1.01-1)
=6.7x0.01
=0.067