Question

1. Fill in the blanks
1) -2/3+___=2/3
2) 1×___=9/11
3) -12+[5/6+6/7]=[-12+5/6]+[____]
4) [___]×[1/2+1/3]=[3/4×1/2]+[3/4×___]​

Answer 1

Explanation:

$(1) \: \: - \frac{2}{3} + ( 0) = - \frac{2}{3}$

$(2) \: 1 \times \frac{9}{11} = \frac{9}{11}$

$(3) = \frac{6}{7}$

$(4) = \frac{3}{4} \: and \: \frac{1}{3}$