数学七年级上册有理数减法题(+4)-(-7) 0-(-5) 1.9-(0.6) (-2.5)-5.91-4+3-0.5 -2.4+3.5-4.6+3.5 (-7)-(+5)+(-4)-(-10)四分之三减二分之七加(负六分之一)减(负三分之二)减1
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 14:16:12
![数学七年级上册有理数减法题(+4)-(-7) 0-(-5) 1.9-(0.6) (-2.5)-5.91-4+3-0.5 -2.4+3.5-4.6+3.5 (-7)-(+5)+(-4)-(-10)四分之三减二分之七加(负六分之一)减(负三分之二)减1](/uploads/image/z/9454078-46-8.jpg?t=%E6%95%B0%E5%AD%A6%E4%B8%83%E5%B9%B4%E7%BA%A7%E4%B8%8A%E5%86%8C%E6%9C%89%E7%90%86%E6%95%B0%E5%87%8F%E6%B3%95%E9%A2%98%EF%BC%88%2B4%EF%BC%89-%EF%BC%88-7%EF%BC%89+0-%EF%BC%88-5%EF%BC%89+1.9-%EF%BC%880.6%EF%BC%89+%EF%BC%88-2.5%EF%BC%89-5.91-4%2B3-0.5+-2.4%2B3.5-4.6%2B3.5+%EF%BC%88-7%EF%BC%89-%EF%BC%88%2B5%EF%BC%89%2B%EF%BC%88-4%EF%BC%89-%EF%BC%88-10%EF%BC%89%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%89%E5%87%8F%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%83%E5%8A%A0%EF%BC%88%E8%B4%9F%E5%85%AD%E5%88%86%E4%B9%8B%E4%B8%80%EF%BC%89%E5%87%8F%EF%BC%88%E8%B4%9F%E4%B8%89%E5%88%86%E4%B9%8B%E4%BA%8C%EF%BC%89%E5%87%8F1)
数学七年级上册有理数减法题(+4)-(-7) 0-(-5) 1.9-(0.6) (-2.5)-5.91-4+3-0.5 -2.4+3.5-4.6+3.5 (-7)-(+5)+(-4)-(-10)四分之三减二分之七加(负六分之一)减(负三分之二)减1
数学七年级上册有理数减法题
(+4)-(-7) 0-(-5) 1.9-(0.6) (-2.5)-5.9
1-4+3-0.5 -2.4+3.5-4.6+3.5 (-7)-(+5)+(-4)-(-10)
四分之三减二分之七加(负六分之一)减(负三分之二)减1
数学七年级上册有理数减法题(+4)-(-7) 0-(-5) 1.9-(0.6) (-2.5)-5.91-4+3-0.5 -2.4+3.5-4.6+3.5 (-7)-(+5)+(-4)-(-10)四分之三减二分之七加(负六分之一)减(负三分之二)减1
(+4)-(-7)
=4+7
=11
0-(-5)
=0+5
=5
1.9-(0.6)
=1.9+0.6
=2.5
(-2.5)-5.9
=-(2.5+5.9)
=-8.4
1-4+3-0.5
=-3+3-0.5
=-0.5
-2.4+3.5-4.6+3.5
=-(2.4+4.6)+(3.5+3.5)
=-7+7
=0
(-7)-(+5)+(-4)-(-10)
=-7-5-4+10
=-6
四分之三减二分之七加(负六分之一)减(负三分之二)减1
=3/4-7/2-1/6+2/3-1
=9/12-42/12-2/12+8/12-1
=(9-42-2+8)/12-1
=-27/12-1
=-(9/4+4/4)
=-13/4 (-4分之13)
册数学计算题 有理数的 加减乘除 法
请采纳。
(+4)-(-7)=11 0-(-5)=5 1.9-(0.6) =1.3 (-2.5)-5.9=-8.4
1-4+3-0.5 =-0.5 -2.4+3.5-4.6+3.5 =0 (-7)-(+5)+(-4)-(-10)=-6
四分之三减二分之七加(负六分之一)减(负三分之二)减1=-13分之4
11
5
1.3
-8.4
-0.5
0
-2
负十二分之四十九
望采纳
11 5 1.3 -84
-0.5 0 -6
-3.25