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
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
数学人气：542 ℃时间：2019-10-24 01:39:04
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