-10-3x（-4）
=-10+12
=2
-2/3-2.75+1/3-1.25
=(1/3-2/3)-(2.75+1.25)
=-1/3-4
=-4又1/3
-6²除以（-1/2+2)
=-36÷(3/2)
=-36×2/3
=-24
-36x(-1/18+2/3-2/9)
=36×1/18-36×2/3+36×2/9
=2-24+8
=-14
-12-12除以[(-1/3)²x(-18)-2²].
=-12-12÷(-1/9x18-4)
=-12-12÷(-2-4)
=-12-12÷(-6)
=-12+2
=-10