1.

If '+' denotes '-', '-' denotes \[\text{ }\!\!'\!\!\text{ }\times \text{ }\!\!'\!\!\text{ }\], \[\text{ }\!\!'\!\!\text{ }\times \text{ }\!\!'\!\!\text{ }\] denotes \[\text{ }\!\!'\!\!\text{ }\div \text{ }\!\!'\!\!\text{ }\], and \[\text{ }\!\!'\!\!\text{ }\div \text{ }\!\!'\!\!\text{ }\] denotes '+', then \[15\text{ }\text{ }3\text{ }+\text{ }10\text{ }\times \text{ }5\text{ }\div \text{ }5\text{ }=\text{ }?\]

A.  5
B.  22
C.  48
D.  52
Answer» D.  52


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