3 - 2/5 * 3 1/3=1 2/3
1) 2/5 * 3 1/3=2/5 * 10/3=4/3=1 1/3
2) 3 - 1 1/3=2 3/3 - 1 1/3=1 2/3
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3. .....................................=1 17/18
1) 7/8 * 2 2/3=7/8 * 8/3=7/3=2 1/3
2) - 5/6 : 2 1/7= - 5/6 : 15/7= - 5/6 * 7/15= - 7/18
3) 2 1/3+( -7/18)=2 6/18 - 7/18=1 24/18 - 7/18=1 17/18
5. ...............................=3 2/11 * 6 - 3 2/11 * 13 2/11 - 13 2/11 * 6 + 13 2/11 * 3 2/11=3 2/11 * 6 - 13 2/11 * 6=6 * (3 2/11 - 13 2/11)= -6 * 10= - 60
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Answers & Comments
3 - 2/5 * 3 1/3=1 2/3
1) 2/5 * 3 1/3=2/5 * 10/3=4/3=1 1/3
2) 3 - 1 1/3=2 3/3 - 1 1/3=1 2/3
.
3. .....................................=1 17/18
1) 7/8 * 2 2/3=7/8 * 8/3=7/3=2 1/3
2) - 5/6 : 2 1/7= - 5/6 : 15/7= - 5/6 * 7/15= - 7/18
3) 2 1/3+( -7/18)=2 6/18 - 7/18=1 24/18 - 7/18=1 17/18
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5. ...............................=3 2/11 * 6 - 3 2/11 * 13 2/11 - 13 2/11 * 6 + 13 2/11 * 3 2/11=3 2/11 * 6 - 13 2/11 * 6=6 * (3 2/11 - 13 2/11)= -6 * 10= - 60
Verified answer
1)2)
5)
3 2/11 * (6 - 13 2/11) + 13 2/11 *(3 2/11 - 6) = 3 2/11 * 6 - 3 2/11 * 13 2/11 + 13 2/11 * 3 2/11 - 13 2/11 * 6 = 3 2/11 * 6 - 13 2/11 * 6 = 6*(3 2/11 - 13 2/11) = 6*(-10) = -60