7减｛负16｝÷｛负88｝减4乘｛负2｝ 负0.25的平方除以（负2分之1｝的4次方乘｛负1｝的27次方

7-(-16)÷(-88)-4×(-2)
=7-16÷88+4×2
=7-2/11+8
=15-2/11
=14又9/11
(-0.25)²÷(-1/2)^4×(-1)^27
=(1/4)²÷(1/4)²×(-1)
=1×(-1)
=-1