Use numbers 1-9 in box
()()
×()
—-
()()
+()()
—-
()()
numbers should not repeat
1 7
x4
——
6 8
+2 5
——
9 3
17×4=68+25=93
x4
——
6 8
+2 5
——
9 3
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Use numbers 1-9 in box
()()
×()
—-
()()
+()()
—-
()()
numbers should not repeat