Here is the solution to the problem:
Simplify (1+41)×(85−21)
Step 1: Simplify the expression inside the first parenthesis.
1+41=44+41=44+1=45
Step 2: Simplify the expression inside the second parenthesis.
85−21=85−2×41×4=85−84=85−4=81
Step 3: Multiply the results from Step 1 and Step 2.
45×81=4×85×1=325
The simplified expression is 325.
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