
计算 4.26
计算4.26+5.14+5.74+3.860.2+99×0.826÷0.3-0.3÷61.3×[2÷(4.1-4.05)]....
计算 4.26+5.14+5.74+3.86 0.2+99×0.82 6÷0.3-0.3÷6 1.3×[2÷(4.1-4.05)].
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(1)4.26+5.14+5.74+3.86
=(4.26+5.74)+(5.14+3.86)
=10+9
=19;
(2)0.2+99×0.82
=0.2+(100-1)×0.82
=0.2+100×0.82-0.82
=0.2+82-0.82
=81.38;
(3)6÷0.3-0.3÷6
=20-0.05
=19.95;
(4)1.3×[2÷(4.1-4.05)]
=1.3×[2÷0.05]
=1.3×40
=52.
=(4.26+5.74)+(5.14+3.86)
=10+9
=19;
(2)0.2+99×0.82
=0.2+(100-1)×0.82
=0.2+100×0.82-0.82
=0.2+82-0.82
=81.38;
(3)6÷0.3-0.3÷6
=20-0.05
=19.95;
(4)1.3×[2÷(4.1-4.05)]
=1.3×[2÷0.05]
=1.3×40
=52.

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