find the following 9 into bracket 7 plus minus 3 equal to 9 into 7 + 9 into minus 3
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7×[7+(-3)]=9×7+9×(-3)
7× 4= 63-27
28= 36
36-28=0
= 8 ans
7× 4= 63-27
28= 36
36-28=0
= 8 ans
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