负2的3次方减3乘｛负1｝的3次方减｛负1｝的4次方
=-8-3×(-1)-1
=-8+3-1
=-5-1
=-6
｛负2｝的3次方除以9分之4乘｛负3分之2｝的平方
=-8×9/4×4/9
=-8×(9/4×4/9)
=-8×1
=-8