计算(加减乘除)一.(-5/7)+1.4二.3/2-[(-1.5)+0.5]三.(-7.75)-(-3.5)(+0.75)-(-8.5)四.1/5*1/2*(-15)+7*(-1/2)五.-3*4+12*(1/3-5/2)六.(-8)/ 4*(-3)七.1/6 / (-4/3)/(-0.25)八.(-1.6)*0.4 / (-0.5)九.(-3/4)*(-1.5)/(-2.
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 00:24:41
![计算(加减乘除)一.(-5/7)+1.4二.3/2-[(-1.5)+0.5]三.(-7.75)-(-3.5)(+0.75)-(-8.5)四.1/5*1/2*(-15)+7*(-1/2)五.-3*4+12*(1/3-5/2)六.(-8)/ 4*(-3)七.1/6 / (-4/3)/(-0.25)八.(-1.6)*0.4 / (-0.5)九.(-3/4)*(-1.5)/(-2.](/uploads/image/z/5900922-18-2.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%88%E5%8A%A0%E5%87%8F%E4%B9%98%E9%99%A4%EF%BC%89%E4%B8%80.%EF%BC%88-5%2F7%EF%BC%89%2B1.4%E4%BA%8C.3%2F2-%5B%28-1.5%29%2B0.5%5D%E4%B8%89.%28-7.75%29-%28-3.5%29%28%2B0.75%29-%28-8.5%29%E5%9B%9B.1%2F5%2A1%2F2%2A%28-15%29%2B7%2A%28-1%2F2%29%E4%BA%94.-3%2A4%2B12%2A%281%2F3-5%2F2%29%E5%85%AD.%28-8%EF%BC%89%2F+4%2A%EF%BC%88-3%EF%BC%89%E4%B8%83.1%2F6+%2F+%EF%BC%88-4%2F3%EF%BC%89%2F%EF%BC%88-0.25%EF%BC%89%E5%85%AB.%EF%BC%88-1.6%29%2A0.4+%2F+%28-0.5%29%E4%B9%9D.%28-3%2F4%EF%BC%89%2A%EF%BC%88-1.5%EF%BC%89%2F%EF%BC%88-2.)
计算(加减乘除)一.(-5/7)+1.4二.3/2-[(-1.5)+0.5]三.(-7.75)-(-3.5)(+0.75)-(-8.5)四.1/5*1/2*(-15)+7*(-1/2)五.-3*4+12*(1/3-5/2)六.(-8)/ 4*(-3)七.1/6 / (-4/3)/(-0.25)八.(-1.6)*0.4 / (-0.5)九.(-3/4)*(-1.5)/(-2.
计算(加减乘除)
一.(-5/7)+1.4
二.3/2-[(-1.5)+0.5]
三.(-7.75)-(-3.5)(+0.75)-(-8.5)
四.1/5*1/2*(-15)+7*(-1/2)
五.-3*4+12*(1/3-5/2)
六.(-8)/ 4*(-3)
七.1/6 / (-4/3)/(-0.25)
八.(-1.6)*0.4 / (-0.5)
九.(-3/4)*(-1.5)/(-2.25)
用简便方法计算
一.(+14)+(-4)+(-1)+(+16)+(-5)
二.(-18.65)+(2.75)+(+18.15)
三.7/13 * (-9)+ 7/13 *(-18)+7/13
四.-147 *(-0.125)+253 * 1/8 +72 *(-1/4)
计算(加减乘除)一.(-5/7)+1.4二.3/2-[(-1.5)+0.5]三.(-7.75)-(-3.5)(+0.75)-(-8.5)四.1/5*1/2*(-15)+7*(-1/2)五.-3*4+12*(1/3-5/2)六.(-8)/ 4*(-3)七.1/6 / (-4/3)/(-0.25)八.(-1.6)*0.4 / (-0.5)九.(-3/4)*(-1.5)/(-2.
1.-1
2.2分之5
3.5
4.-2
5.-19.5
下面明天再做