1.8+0.5=2.5-0.1=4.8-0.2=74+71=48+10=24÷12=68÷0.68=94.7÷0.1=61.8÷0.6=0.8×6.7=3÷8=0.12×3=32=8.2-2.8=3.5÷0.7=45-15=13+14=116+716=5.3+0.5=46+18=8-数学

12,
1
16
+
7
16
=
1
2
,5.3+0.5=5.8,46+18=64,8.5-1.5=7,69+10=79,28.8+0.4=29.2,40.5÷0.5=81,92.7÷0.3=309,0.5×1.3=0.65,16×0.5=8,4.4+0.1=4.5,6.1-0.1=6,3.3+0.6=3.9,33.2÷0.4=83,1÷0.25=4,1.5×4=6,6.5+1.35=7.85,1.3-1.2=0.1,
7
8
-
1
4
=
5
8
1
2
+
3
4
=
5
4
5
6
-
1
3
=
1
2
,5.7-1.7=4,0.35+0.75=1.1,0.2×1.1=0.22,1.6÷0.4=4,10÷4=2.5,3.4÷0.2=17,52÷13=4,57÷19=3,3.7-0.8=2.9,29+92=121,8.2+0.7=8.9,6.5-5.6=0.9,4.8÷0.3=16,33=27,1.25×8=10,
2
3
+
1
6
=
5
6
1
2
-
1
3
=
1
6
7
9
+
1
9
=
8
9
,2.1÷0.3=7,3.2×3=9.6,2.8-1.8=1,0.9×6.2=5.58.故答案为:2.3,2.4,4.6,145,58,2,100,947,103,5.36,0.375,0.36,9,5.4,5,
3
5
7
12
1
2
,5.6,64,7,79,29.2,81,309,0.65,8,4.5,6,3.9,83,4,6,7.85,0.1,
5
8
5
4
1
2
,4,1.1,0.22,4,2.5,17,4,3,2.9,121,8.9,0.9,16,27,10,
列竖式计算下面各题并验算.(1)2.4+4.56=(2)100-21.35=(3)8.5-6.69=-数学
列竖式计算下面各题并验算.
买文具。(1)买一个文具盒和一枝钢笔要花多少钱?(2)书包比水彩笔贵多少钱?(3)小明有10元钱,他想买文具盒和蜡笔,够吗?差多少钱?(4)你想买什么?需要多少元?-三年级数学
买文具。(1)买一个文具盒和
用竖式计算.(带*的题要验算)10-3.7*15×68*522÷439×43364÷7981÷9.-数学
用竖式计算.(带*的题要验算
竖式计算37.8+3.028.5-6.699-5.48.-数学
竖式计算37.8+3.028.5-6.699
-=0.57[]-四年级数学
-=0.57[]-四年级数学
上一篇:口算.0.38+0.06=(155+20)-65=64.2+5.7=17.05-4.58=9800÷25÷4=0÷78=50-20÷5=35×25×4=-数学     下一篇:36.6÷0.25转化成除数是整数的除法算式是______,这是根据______.-数学
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