来自陈庭贵的问题
计算:(1)(-1/15+2/3-5/6)×|-30|(2)-22×(-8)-(-1/2)3×(-10+2)+4/9÷(-1/3)2
计算:(1)(-1/15+2/3-5/6)×|-30|
(2)-22×(-8)-(-1/2)3×(-10+2)+4/9÷(-1/3)2
1回答
2020-09-26 14:09
计算:(1)(-1/15+2/3-5/6)×|-30|(2)-22×(-8)-(-1/2)3×(-10+2)+4/9÷(-1/3)2
计算:(1)(-1/15+2/3-5/6)×|-30|
(2)-22×(-8)-(-1/2)3×(-10+2)+4/9÷(-1/3)2
1.原式=(3/5-5/6)×丨-30丨=-7/30×30=-72.原式=-4×(-8)-(-1/8)×(-8)+4/9×(-9)=32-1-4=27