Current location - Training Enrollment Network - Mathematics courses - How to calculate the algorithm of mathematics non-intersection in the first volume of the third grade of primary school
How to calculate the algorithm of mathematics non-intersection in the first volume of the third grade of primary school
Such as: 1+2*3

= 1+6

=7

Mixed operation of addition, subtraction, multiplication and division, first multiplication and division, then addition and subtraction; Only add, subtract or multiply and divide from left to right. If there are brackets, the calculation in brackets and the calculation outside brackets are disjoint.