，五年级比六年级少植树多少棵？相关试题
+
）×4+
．口算题，轻松又愉快．
251+149= 72÷0.8= 10﹣0.91= 1.5×0.5=
10÷0.2= 560÷16÷5= 0.25﹣
= 4×25﹣25=
0.333×3≈ 4.78﹣2.11﹣0.89= 1﹣
+
= 1÷
﹣÷1=
1﹣0.9= 0.32÷2= 0.8×5=
0.9×0.1= 3.11+2.22= 0.36÷0.4=
12.5+12.5×7= 8m﹣6m= a×a=
4.5÷9=
口算题，轻松又愉快．
251+149= 72÷0.8= 10﹣0.91= 1.5×0.5=
10÷0.2= 560÷16÷5= 0.25﹣= 4×25﹣25=
0.333×3≈ 4.78﹣2.11﹣0.89= 1﹣+= 1÷﹣÷1=
1﹣0.9= 0.32÷2= 0.8×5=
0.9×0.1= 3.11+2.22= 0.36÷0.4=
12.5+12.5×7= 8m﹣6m= a×a=
4.5÷9=
×
÷5= 4.8×99+4.8=
×1÷
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