Question

(-0.12)乘12分之1乘（-100）=?、7乘（-1+14分之3）=?

Answer 1

(-0.12)乘12分之1乘（-100）= -0.12 * (1/12) * (-100)= 0.12 * 100 * (1/12)= 12 * (1/12)= 1 7乘（-1+14分之3）= 7 * (-1 + 3/14)= 7 * (-11/14)= -11/2