3.6+4.4=0.375+0.625=5-0.12=
0.48+5.9=4.3-1.6=0.74-0.4=
8×(125-25)=48+52÷4=160+40÷4=
(12-12)÷(12+12)=26×8÷26×8=

解:
3.6+4.4=8,0.375+0.625=1,5-0.12=4.88,
0.48+5.9=6.38,4.3-1.6=2.7,0.74-0.4=0.34,
8×(125-25)=800,48+52÷4=61,160+40÷4=170,
(12-12)÷(12+12)=0,26×8÷26×8=64.

分析:根據(jù)小數(shù)和整數(shù)加減方法的計(jì)算方法進(jìn)行計(jì)算;
26×8÷26×8按照從左向右的順序進(jìn)行計(jì)算.
點(diǎn)評(píng):口算時(shí),注意運(yùn)算符號(hào)和數(shù)據(jù),然后再進(jìn)一步計(jì)算.
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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:

直接寫出得數(shù)
(1)8.4÷4= 0.36×3= 18.36÷0.6= 3.2×1.25×0.25=
(2)4.28+15.2= 2.3×0.08= 0.56÷0.14= 1.5×0.63+0.37×1.5=
(3)3.4×2= 6.3÷0.3= 0.96÷1.2= 12.5×4.2×0.8=
(4)15.6-5.2= 4.2÷0.007= 4.6÷0.25= 1.25×(80+0.8)=

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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:

180÷60= 12×25= 0÷90=
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59億-58億= (1.3+3.5)÷0.6= 75÷2.5=
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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=
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0.75×4= (1.5+0.25)×4= 4.2÷0.1=
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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=
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728+199= 637-201= 16×25=
1.6×[(12-7.2)÷(0.84÷2.1)]=

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30×2= 52×7= 80×6= 100×4= 400×8=
900×5= 40×6= 10×9= 3×8= 10×5=
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50×3= 360÷6= 86+7= 80÷4= 630÷3=
24×2= 120÷6= 600×4= 210×2= 48÷4=
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33×2= 600×6= 2000×3= 800×7= 123×3=
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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:解答題

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=
59億-58億=(1.3+3.5)÷0.6=75÷2.5=
0.45÷1.25÷8=2.5×7.6×4=97.6÷0.02=
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12÷0.3=2.87÷0.7=13÷4=
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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=
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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:解答題

直接寫出得數(shù)
(1)8.4÷4=0.36×3=18.36÷0.6=3.2×1.25×0.25=
(2)4.28+15.2=2.3×0.08=0.56÷0.14=1.5×0.63+0.37×1.5=
(3)3.4×2=6.3÷0.3=0.96÷1.2=12.5×4.2×0.8=
(4)15.6-5.2=4.2÷0.007=4.6÷0.25=1.25×(80+0.8)=

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