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180÷60=12×25=0÷90=4×5÷4×5=131+218+269+182=
120÷5÷3=198-75-25=120-20÷5=59亿-58亿=25×6×4=

180÷60=3,
12×25=300,

0÷90=0,

4×5÷4×5=25,

131+218+269+182=800,
120÷5÷3=8,198-75-25=98,120-20÷5=116,59亿-58亿=1亿,25×6×4=600.

分析:12×25先把12分解成3×4,再运用乘法结合律简算;
4×5÷4×5按照从左到右的顺序计算;
131+218+269+182运用加法结合律简算;
120÷5÷3根据除法的性质简算;
198-75-25根据连续减去两个数,等于减去两个数的和简算;
120-20÷5先算除法,再算减法;
25×6×4运用乘法交换律简算.
点评:本题考查了简单的运算,根据运算顺序和法则,灵活运用运算定律,快速准确的写出答案.
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科目:小学数学 来源: 题型:

口算
180÷60=

12×25=

0÷90=

4×5÷4×5=

131+218+269+182=
120÷5÷3= 198-75-25= 120-20÷5= 59亿-58亿= 25×6×4=

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科目:小学数学 来源: 题型:

直接写出下面各题的结果.
180÷60=
12×25= 0÷90= 4×5÷4×5=
131+218+182= 120÷60= 198-75-25= 120-20÷5=
59亿-58亿= 25×6×4=

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科目:小学数学 来源: 题型:

180÷60= 12×25= 0÷90=
4×5÷4×5= 0.25×4+4= 131+218+269+182=
25×6×4= 420÷35= 36×5×4=
120÷5÷3= 198-75-25= 120-20÷5=
59亿-58亿= (1.3+3.5)÷0.6= 75÷2.5=
0.45÷1.25÷8= 2.5×7.6×4= 97.6÷0.02=
8.8-(0.25+0.4)= 0.25+87+0.75= 0.8-0.35×2=
0.1÷0.01×0.1= 9.9+9.9×99= 2.7×3.6+6.4×2.7=
720÷8÷9= 2.9+5.7+2.1= 2-0.16-0.64=
16.7+84.5-16.7= 6.8-(3.8+2.9)= 9×1.3+9×6.7=
5.5-5.25+5.2= 0.8×25-10= 42.8×25×4=
7.2+2.8= 0.9÷0.01= 3.5+7.6=
3×0.2×0.5= 0.96÷0.3= 1.5×0.4=
7÷0.25= 2.5×0.7×0.8= 8-2.5=
16÷1.6= 5.6×1.01= 8×(2.5+0.25)=
0.36+0.64= 64.32÷16= 72.8÷0.8=
8.4×0.2+1.6×0.2= 8.4÷4.2= 0.05×0.8=
2.56-0.37= 1.23×3= 25×0.8×0.5=
12×2.5= 3.2÷1.6= 3.5+3.5×3=
19.6÷2= 8.8÷2.2= 3.9+2.03=
7.2×0.3+2.8×0.3= 13.8+9.9= 2.4×2.5=
0.75×4= (1.5+0.25)×4= 4.2÷0.1=
4.2÷3.5= 2.14-0.9= 27+456+73=
12÷0.3= 2.87÷0.7= 13÷4=
24÷4+56÷4= 2.1×0.3÷2.1= 2.3-0÷8.1=
1.37-1.37÷1.37= 4.4÷(5×0.2)= 7×1.3=
0.96÷0.06= 0.36×0.3= 0.35÷0.7=
13.65÷13= 4×0.8×0.25×1.25= 13+0.7÷0.7=
7.05×23.7+7.05×76.3= 0.125×3.2×2.5= (12+23.1÷0.75)×0.4-5.12=
728+199= 637-201= 16×25=
1.6×[(12-7.2)÷(0.84÷2.1)]=

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科目:小学数学 来源: 题型:解答题

180÷60=12×25=0÷90=
4×5÷4×5=0.25×4+4=131+218+269+182=
25×6×4=420÷35=36×5×4=
120÷5÷3=198-75-25=120-20÷5=
59亿-58亿=(1.3+3.5)÷0.6=75÷2.5=
0.45÷1.25÷8=2.5×7.6×4=97.6÷0.02=
8.8-(0.25+0.4)=0.25+87+0.75=0.8-0.35×2=
0.1÷0.01×0.1=9.9+9.9×99=2.7×3.6+6.4×2.7=
720÷8÷9=2.9+5.7+2.1=2-0.16-0.64=
16.7+84.5-16.7=6.8-(3.8+2.9)=9×1.3+9×6.7=
5.5-5.25+5.2=0.8×25-10=42.8×25×4=
7.2+2.8=0.9÷0.01=3.5+7.6=
3×0.2×0.5=0.96÷0.3=1.5×0.4=
7÷0.25=2.5×0.7×0.8=8-2.5=
16÷1.6=5.6×1.01=8×(2.5+0.25)=
0.36+0.64=64.32÷16=72.8÷0.8=
8.4×0.2+1.6×0.2=8.4÷4.2=0.05×0.8=
2.56-0.37=1.23×3=25×0.8×0.5=
12×2.5=3.2÷1.6=3.5+3.5×3=
19.6÷2=8.8÷2.2=3.9+2.03=
7.2×0.3+2.8×0.3=13.8+9.9=2.4×2.5=
0.75×4=(1.5+0.25)×4=4.2÷0.1=
4.2÷3.5=2.14-0.9=27+456+73=
12÷0.3=2.87÷0.7=13÷4=
24÷4+56÷4=2.1×0.3÷2.1=2.3-0÷8.1=
1.37-1.37÷1.37=4.4÷(5×0.2)=7×1.3=
0.96÷0.06=0.36×0.3=0.35÷0.7=
13.65÷13=4×0.8×0.25×1.25=13+0.7÷0.7=
7.05×23.7+7.05×76.3=0.125×3.2×2.5=(12+23.1÷0.75)×0.4-5.12=
728+199=637-201=16×25=
1.6×[(12-7.2)÷(0.84÷2.1)]=

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