test numeric expr

not okok truefalse truefalse not okok truefalse not okok 2+2= ONE+2= ONE + TWO= THREE= (ONE+TWO)==THREE= ONE+TWO == THREE= (ONE+TWO == THREE) and (THREE && TWO) and sin(ONE)= sin(ONE)= 111.111 + 222.333555= 7%3= (70*5)%33-20= 7 && 3= strings are true: 'aaa' && 'bbb'= 'aaa' || 0= minus is handled properly: MINUSTEN+8=