“The sum of I one, I two, and I three equals I four” is the full expression of13/25“The sum of I one, I two, and I three equals I four” is the full expression ofI 1 + I 2 & I 3 = I 4I4=I1+I2+I3I1+I2+I3=I4I+1+I+2+I+3=I4Giải thíchChọn đáp án C