Expression 2892

Add to expression 1 + 2x3 - 4x5: 6
a / one pair of brackets so that the result is as large as possible
b / one pair of brackets so that the result is as small as possible

Correct answer:

a =  5.6667
b =  -4.6667

Step-by-step explanation:

q1=1+2 34 5/6=311=3323.6667 q2=(1+2) 34 5/6=317=5325.6667 q3=(1+2 34) 5/6=25=221=2.5 q4=1+2 (34) 5/6=320.6667 w4=1+(2 34) 5/6=38=2322.6667 q5=(1+2 34) 5/6=25=221=2.5 q6=(1+2 34 5)/6=613=2612.1667 q7=1+(2 34 5)/6=34=1311.3333 q8=1+2 (34 5)/6=314=4324.6667 q9=1+2 3(4 5)/6=311=3323.6667 a=q2=5.6667
b=q8=(4.6667)=4.6667



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