[4/7×-4/9]-1/21+[-4/9×3/7] using appropriate properties find:
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Answered by
0
Answer:
-4/9 (4/7 + 3/7) - 1/21
-4/9 x 7/7 - 1/21
-4/9 - 1/21
-28/63 - 3/63
= 31/63
Answered by
0
Step-by-step explanation:
-4/9(4/7+3/7)-1/21
= -4/9 -1/21
= -28-3/63
= -31/63
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