find the brackets in the right place to make the statement true. in the expression 4*15-11+8-2=20
4*15-11+8-2=20
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4*1(5-1)-1(+8/-2)=
4 * 1 * 4 - 1 * ( - 4 ) =
16 + 4 = 20
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4*1(5-1)-1(+8/-2)=
4 * 1 * 4 - 1 * ( - 4 ) =
16 + 4 = 20