The solution of linear equation with one variable There are 18 tigers and ostriches in the zoo, with a total of 44 feet. How many tigers and ostriches are there in the zoo? The solution of linear equation with one variable

The solution of linear equation with one variable There are 18 tigers and ostriches in the zoo, with a total of 44 feet. How many tigers and ostriches are there in the zoo? The solution of linear equation with one variable

Suppose tiger OIL X ostriches have 18-x
So 4x + 2 (18-x) = 44
X=4
There are 14 ostriches

I want fifth grade next semester Su edition of the decimal oral, mixed operation, simple operation, vertical calculation
To 100 oral, 10 mixed operations, 10 simple operations, 5 vertical calculation, urgent

1.120-36×4÷18+35 2.（58+37）÷（64-9×5） 3.(6.8-6.8×0.55)÷8.5 4.0.12× 4.8÷0.12×4.8 5.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6 6.6-1.6÷4= 5.38+7.85-5.37= 7.7.2÷0.8-1.2×5= 6-1.19×3-0...