来自吕南斗的问题
计算:(1)8+(-14)-5-(-0.25)(2)-82+72÷36(3)712×134÷(-9+19)(4)25×34-(-25)×12+25×(-14)(5)(-81)÷214+49÷(-16)(6)(-1)3-(1-12)÷3×[2-(-3)2](7)(−2)2−(−3)2×16−32−(−2)2
计算:
(1)8+(-14)-5-(-0.25)
(2)-82+72÷36
(3)712×134÷(-9+19)
(4)25×34-(-25)×12+25×(-14)
(5)(-81)÷214+49÷(-16)
(6)(-1)3-(1-12)÷3×[2-(-3)2]
(7)(−2)2−(−3)2×16−32−(−2)2.
1回答
2020-09-0903:44