Question

1又4分之1乘17.6+36除5分之4+2.64乘12.5

Answer 1

1又4分之1*17.6+36/5分之4+2.64*12.5

=4分之5*17.6+36*4分之5+2.64*10*4分之5

=（17.6+36+2.64*10）*4分之5

=80*4分之5

=100