3.7×7.3+7.3×6.3.

解:3.7×7.3+7.3×6.3
=(3.7+6.3)×7.3,
=10×7.3,
=73.
分析:式中的兩個(gè)乘法算式中都含有因數(shù)7.3,所以本題適用乘法分配律.
點(diǎn)評(píng):本題考查了學(xué)生利用乘法分配律解決四則混合運(yùn)算題目的能力.
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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:

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3.2×0.2             
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2.5×0.4             1.5×2            0.7×7           7.3+0.3
0.53-0.3             1.8×0.5           0.9×0.01        0.23×3
(5)2-1.2               7.8÷6             8.4÷0.21         8.4÷0.7
5.6+3.6            9-2.35              0.56÷8         1.23×3
5.6÷0.4            4.5÷0.9            8.1×2          90÷3
1.23+3             5.6+1.23           4.5×2          5.6÷1.4
4.8÷1.2           7.2÷0.9           6.6÷1.1          7.2÷6
2.1÷3             0.6×0.5           3.23×2          1.8÷3
12.5÷0.1          0.32÷0.8          1.6+3.7           0.45×0.2
0.36÷1.8          0.4×0.5            8.4+5.6         8.4÷2.1
4.8÷0.08          4.8÷0.8            3+2.3           9.3÷3
0.01×8           7.31×100          0.09×6         0.8×0.6
1.25×8            3÷5               2.3+2.3         6.23+3.6

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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:

3.7×7.3+7.3×6.3.

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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:071

例:3÷33-3=1 33÷33=1

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(2)

3 3 3 3=1

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3 3 3 3=8

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(1)3.2×0.2             1.4×0.4          3.3÷3         1.2÷0.3
(2)2.5×0.4            1.5×2           0.7×7           7.3+0.3
(3)0.53-0.3            1.8×0.5          0.9×0.01       0.23×3
(4)0.56÷8            1.23×3           1.6÷0.04        7.3+2.7
(5)2-1.2              7.8÷6            8.4÷0.21        8.4÷0.7
(6)5.6+3.6           9-2.35             0.56÷8        1.23×3
(7)5.6÷0.4           4.5÷0.9           8.1×2         90÷3
(8)1.23+3            5.6+1.23          4.5×2         5.6÷1.4
(9)4.8÷1.2          7.2÷0.9          6.6÷1.1         7.2÷6
(10)2.1÷3            0.6×0.5          3.23×2         1.8÷3
(11)12.5÷0.1         0.32÷0.8         1.6+3.7          0.45×0.2
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