文档介绍：word
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word375= 800-650= 10-=
×= 16×90= 32×25=
92÷÷=
××=
÷9= 75÷÷3= 8÷=
3/5+2/5=
×3/4=
2/5÷4/5= 4/5÷1/5= 4/7×5/6= 4/7×4= 2/5÷5=
1/2×4/7= 1/9×3/5= 1/4×2/3= 1÷4/5= 1/2÷3/4=
第三课时
××8= 656×10= 897××=
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第四课时
3/10+1/5 = 4/5-7/10 = 2-1/3 = ÷17＝÷＝
×＝ ×＝ 1÷5＝
6÷12＝ －＝
100－63＝ ＋＝ ×＝ 14－＝ ÷＝
＋＝ 10－＝ 4÷20＝ ×200＝ －＝
2+ 4/9 =
3 -2/3 = 3/4 -1/2= 8+ 1/6 = 7/8+3/8 =
第五课时
3/8-1/6= 3/5-1/5= 1+7/8= 7/9-1/3= 40×3/4=
4-3/4= 1/2×5/8=
1/5×2/3= 5/11×11= 4/5×3/4=
8-= 1/7×2/7= 1/3+1/2= 3/5-1/4= 1/4+1/8=
5÷5/6=
0÷1/2= 1/2×8= 125×2=
×5= 5/8-1/4=
8÷÷7=
第六课时
4/5÷×= 2/3+××4= ×＝
+4/5= 6-1/5= 10+4/5= =
1/7×7=
×1/2= 2/3×5/7= 3/4+5/3= 2/5÷3/10=
×5= 5/8-1/4= +2/5=
8÷=
1/5+3/20= 1/4+1/8= 8×1/7= 10÷1/5= 6/7×2/3=
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第四单元 统计
第一课时
×8= 6×1/2= 6/7÷7= 3/8÷3= 4/7×5=
2/5÷5= 15÷2/3= 1/8×24= 25×1/10=
1/2-1/4=
1/12+1/6= 5/7÷×2= 32×1/4=
+1/10= 2/3×5/7= 3/4+5/3= 2/5÷3/10= 3/10×4/7=
1/2+2/7= 6/7×5/6= 4/5×1/3= 4/5+1/2= +=
第二课时
8/9÷2= 3/5×5= 3×3/8= 1/5×1=
2/5÷5=
1/2+1/3= 1/5÷2=
10÷2/5= 2/3+1/2= 7/8+1/4=
3/8×3/4= 9/2×12= 4/7÷30= 7/10×1=
1/2×3/5=
5/8×1/4= 2/3×1/6=
1/30+1/2= 4/7×7/4= 1/32×16=
+4/5=