How to do the eighth question on page 86 of synchronous guidance and evaluation of mathematics in the second volume of the third grade of primary school - Training Enrollment Network

How to do the eighth question on page 86 of synchronous guidance and evaluation of mathematics in the second volume of the third grade of primary school

Analysis (actually the simplest way to offset):

According to the question, 1.4 apples +3 pears =23.6.

2 1 apple+1 pear =6.8

3 3 apples +3 pears =6.8×3=20.4

To 1 -3:

4 apples and 3 pears.

-3 apples and 3 pears 20.4

————————

1 apple 3.2

Comprehensive formula: (23.6-6.8×3)/ (4-3)

Note: "/"stands for division.

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