四年级下册小数计算题.pptx-= 1-= += += 1-=
-=
1
-= -= +=
+ =
6 -= -=
+ = -3= -=
-= 1-= += += -=
-= += -= -=
+= -= +=
+= 3-=
-=
-= 15-= -=
+= += +=
-99=
+= -=
+= -=
+=
+= += 6 .07+=
-= -= 5-= += +=
+= += += += +=
+= += += +=
+=
+= -= +=
+= 20+= += -3= -=
+= 2-= += -= +=
-= += -= 2+= +=
-= -= 0. 8+= -=
1-= += 1-= -4= + 4 =
10-= 6+= -= 1-= +=
7+= 3.25+0.75= += 0.7+0.9=
+1= 14.6-0.4= 10-0.1= 14+0.78=
2
3+= 5-0.08= 1.64+2.35= 1.1-1=
8.34-6.22 = += += -=
+= -= - = +=
+ = 88 - =
- 105= +=
-= -11= += += +=
+= +=
+= -= 10-=
-= -= 17+= += 7-=
9-=
+= -= -=
+= -= += -=
-
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