(30-2)•5=30*5 -2*5=150-10=140
7•(60-2)=7*60 -7*2=420-14=406
1)30*5-2*5=150-10=140
2)7*60-7*2=420-14=406
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(30-2)•5=30*5 -2*5=150-10=140
7•(60-2)=7*60 -7*2=420-14=406
Verified answer
1)30*5-2*5=150-10=140
2)7*60-7*2=420-14=406