1.-3²-|(-5)³|×(-2/5)²-18÷|-(-3)²| 2.-4.0
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/08/17 04:49:41
1.-3²-|(-5)³|×(-2/5)²-18÷|-(-3)²| 2.-4.035×12+7.535×12-36×(7/9-5/6+
2.-4.035×12+7.535×12-36×(7/9-5/6+ 7/18)
2.-4.035×12+7.535×12-36×(7/9-5/6+ 7/18)
![1.-3²-|(-5)³|×(-2/5)²-18÷|-(-3)²| 2.-4.0](/uploads/image/z/7721646-6-6.jpg?t=1.-3%26sup2%3B-%7C%EF%BC%88-5%EF%BC%89%26sup3%3B%7C%C3%97%EF%BC%88-2%2F5%EF%BC%89%26sup2%3B-18%C3%B7%7C-%EF%BC%88-3%EF%BC%89%26sup2%3B%7C+2.-4.0)
1.原式= -9-(-125)×(4/25)-18÷9
= -9+12-2
= 1
2.原式=-48.42+90.42-36×(7/9-5/6+2.-4.035×12+7.535×12-36×(7/9-5/6+ 7/18)
你的括号扩到了哪?(7/9-5/6+2.-4.035×12+7.535×12-36×(7/9-5/6+ 7/18),你忘加右括号了!
= -9+12-2
= 1
2.原式=-48.42+90.42-36×(7/9-5/6+2.-4.035×12+7.535×12-36×(7/9-5/6+ 7/18)
你的括号扩到了哪?(7/9-5/6+2.-4.035×12+7.535×12-36×(7/9-5/6+ 7/18),你忘加右括号了!
1.-3²-|(-5)³|×(-2/5)²-18÷|-(-3)²| 2.-4.0
(2²+4²+6²+.+98²+100²)-(1²+3&su
(找规律)5²-3²=8*29²-7²=8*415²-3²=
1²-2²+3²-4²+5²-6²+…-100²+
1.lg²5+lg2×lg5+lg2 2.(lg2)³ +(lg 5)³ +3lg 2×l
[2×(-1/2)²-3²×(-1/3)³]÷[1-(-1/2)³]
化简再求值 4x³(-y³)²-3x×(-x)²(-y²)³
1、(3x²-2x²+5x-2)-( )=4x³-x²+5
1.(3x²+2x-8)²-(x²-2x-8)²
1) -3²*1.2²/3²+(-1/3)²*(-3)³/(-1)
-1²+(-1)³×二分之五+(2/3)²×(-7/2)²=
单项式除以单项式2a²(x-y)³+3a²(y-x)²