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Нууу123
@Нууу123
July 2022
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Я очень тупая помогите решить математику буду очень, очень благодарна всё на фото
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математик2011
7 вариант
1) 15*3 2/5 = 15*(3+2/5) = 15*3+15*2/5 = 45+6 = 51
2) =7 3/5(5 3/4 - 4 3/4) = 7 3/5*1 = 7 3/5
3) = 21*2 5/7+21*4 1/3 = 21*19/7+21*13/3 = 57+91 = 148
3 вариант
1) = 6*5+6*5/6 = 30+ 5= 35
2) = 9 3/5(8 3/7-7 3/7) = 9 3/5
3) = 20*37/10+20*59/20 = 74+59 = 133
2 вариант
1) = 12*3+12*5/6 = 36+10 = 46
2) = 8 3/4(3 5/6-2 5/6) = 8 3/4
3) = 20*33/5+20*47/20 = 132+47 = 179
10 вариант
1) = 2*23+23*10/23 = 46+10 = 56
2) = 28 6/11
3) = 16*35/4+16*37/16 = 140+37 = 177
9 вариант
1) = 24*2+24*5/12 = 48+10 = 58
2) = 8 1/9
3) = 24*21/8+24*5/3 = 63+40 = 103
Ну думаю хватит!!!!!!!!!!!!
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Answers & Comments
1) 15*3 2/5 = 15*(3+2/5) = 15*3+15*2/5 = 45+6 = 51
2) =7 3/5(5 3/4 - 4 3/4) = 7 3/5*1 = 7 3/5
3) = 21*2 5/7+21*4 1/3 = 21*19/7+21*13/3 = 57+91 = 148
3 вариант
1) = 6*5+6*5/6 = 30+ 5= 35
2) = 9 3/5(8 3/7-7 3/7) = 9 3/5
3) = 20*37/10+20*59/20 = 74+59 = 133
2 вариант
1) = 12*3+12*5/6 = 36+10 = 46
2) = 8 3/4(3 5/6-2 5/6) = 8 3/4
3) = 20*33/5+20*47/20 = 132+47 = 179
10 вариант
1) = 2*23+23*10/23 = 46+10 = 56
2) = 28 6/11
3) = 16*35/4+16*37/16 = 140+37 = 177
9 вариант
1) = 24*2+24*5/12 = 48+10 = 58
2) = 8 1/9
3) = 24*21/8+24*5/3 = 63+40 = 103
Ну думаю хватит!!!!!!!!!!!!