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missvaleroch
@missvaleroch
July 2022
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а) 3,4*2,6+,3*2,6+5,3*0,7+5,3*1,9=
б) 3,6*3,8+1,6*1,6+2,7*4,6+0,9*4,6=
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sundetamanjol
Удобный способ:
2,6 * (0,7 + 3 ) + 5,3 * ( 3,4 + 1,9 ) = 2,6 * 1 + 5,3 * 5,3 = 2,6 + 28,09 = 30,69
3,6 * ( 3,8 + 1,6 ) + 4,6 * ( 1,6 + 0,9 + 2,7 ) = 3,6 * 5,4 + 4,6 * 5,2 = 19,44 + 23,92 = 43,36
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Report "а) 3,4*2,6+,3*2,6+5,3*0,7+5,3*1,9= б) 3,6*3,8+1,6*1,6+2,7*4,6+0,9*4,6= Вычислите..."
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Answers & Comments
Удобный способ:
2,6 * (0,7 + 3 ) + 5,3 * ( 3,4 + 1,9 ) = 2,6 * 1 + 5,3 * 5,3 = 2,6 + 28,09 = 30,69
3,6 * ( 3,8 + 1,6 ) + 4,6 * ( 1,6 + 0,9 + 2,7 ) = 3,6 * 5,4 + 4,6 * 5,2 = 19,44 + 23,92 = 43,36