rina83
rina83
11-02-2019
Mathematics
contestada
Need help on this lowkey
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jcastronakaya
jcastronakaya
12-02-2019
Problem 42 is 4 because 2(3+4)= 14 So 2x3 is 6. (14-6=8) so them 2x4 is 8.
Problem 43 is 6 because 5(6+3)= 45 So 5x3 is 15 (45-15=30) and 5x6=30
In problem 44 7x4=28 and 4x5=20 so you do 28+20 to get 48. (48 divided by 4 is 12) So 12-7 is 5. 5 is the answer
Problem 45: 6x4=24 and 6x3=18. 24+18=42. (42 divided by 6 is 7) so the last one could be anything added together to make 7.
Ex: 6+1 5+2 4+3
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