0.4÷40%=0.64+3.6=0.25×4=
0.56×數(shù)學(xué)公式=數(shù)學(xué)公式×數(shù)學(xué)公式=5.6÷0.1%=
數(shù)學(xué)公式÷2=數(shù)學(xué)公式×數(shù)學(xué)公式=數(shù)學(xué)公式÷3+3÷數(shù)學(xué)公式=
6.73×99+6.73=

解:

0.4÷40%=1,0.64+3.6=4.24,0.25×4=1,
0.56×=0.07,×=,5.6÷0.1%=560,
÷2=,×=,÷3+3÷=8
6.73×99+6.73=673.

分析:÷3+3÷同時運(yùn)算除法,再算加法;
6.73×99+6.73=673運(yùn)用乘法分配律簡算;
其它題目根據(jù)運(yùn)算法則直接求解.
點評:本題考查了簡單的運(yùn)算,要注意根據(jù)運(yùn)算法則和運(yùn)算定律快速準(zhǔn)確的得出答案.
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