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First day of math.
First question

Solution: Original formula =36×( 1/6)? =36× 1/36= 1

the second question

Solution: The original formula =12.7× (-19/8 )× 0 = 0.

Third question

Solution: The original formula =4×9+6=36+6=42.

The fourth question

Solution: The original formula =-3/4x (-24/3+2/3-1/3) =-3/4x-23/3 = 23/4.

The fifth question

Solution: The original formula =-8-13x-2 =-8+26 =18.

The sixth question

Solution: The original formula = 0-8 ÷ (-64)-1/8 =-8x-1/64-1/8 = = 0+1/8 = 0.

Question 7

Solution: The original formula =(-8)×0.5-2.56÷4=-4-0.64= -4.64.

The eighth question

Solution: The original formula =-3/2× (4/9-18/9) =-3/2x-14/9 =-7/3.

Question 9

Solution: The original formula =9-25÷(-2)=-16÷(-2)= 8.

Question 10

Solution: The original formula =16 ÷ (-8)-1/2 =-2-1/2 =-5/2.