Выполни умножение: 1 1/7 * 3 1/16 2/9 * 1 1/2 4 1/6 * 8 2/5 3 9/13 * 1 5/8 7/8 * 5 1/3 7 5/7 * 1 1/6 1 4/5 * 6 2/3 4 1/2 * 2 4/5 3 3/11 * 7 1/3 10 2/7 * 1 2/9 2 1/2 * 18/25 5 1/7 * 3 8/9 4 1/2 * 14/45 3 3/5 * 5 5/8 1 1/24 * 11 1/5 12 4/5 * 3 1/8
193
304
Ответы на вопрос:
11/7*3 1/16=11/7*49/16=11*7/16 = 77/16; 2/9 * 1 1/2 = 1/9*3=3/9=1/3; 4 1/6 * 8 2/5 = 25/6*42/5=5*7=35; 3 9/13 * 1 5/8 = 48/13*13/8=6*1=6; 7/8 * 5 1/3 = 7/8*16/3=7*2/3=14/3 = 4 2/3; 7 5/7 * 1 1/6 = 54/7*7/6 = 9*1=9; 1 4/5 * 6 2/3 =9/5*20/3=3*4=12; 4 1/2 * 2 4/5 = 9/2*14/5=9*7/5=63/5=12 3/5; 3 3/11 * 7 1/3 = 36/11*22/3=12*2=24; 10 2/7 * 1 2/9 = 72/7*11/9=8/7*11=88/7 = 12 4/7; 2 1/2 * 18/25=5/2*18/25=1*9/5=9/5=1 4/5; 5 1/7 * 3 8/9 = 36/7*35/9=4*5=20; 4 1/2 * 14/45 = 9/2*14/45=1*7/5=7/5=1 2/5; 3 3/5 * 5 5/8 = 18/5*45/8=9*9/4=81/4 = 20 1/4; 1 1/24 * 11 1/5 = 25/24*56/5=5/3*7=35/3=11 2/3; 12 4/5 * 3 1/8 = 64/5*25/8 = 8*5=40
(3 3/4-2,8): 1,9+(5 4/9+1/3): 2 1/6=3 1/6
3 3/4-2,8=15/4-2,8=3,75-2,8=0,95
0,95: 1,9=0,5
5 4/9+1/3=49/9+1/3=49/9+3/9=52/9
52/9: 2 1/6=52/9: 13/6=52/9*6/13=8/3
0,5+8/3=5/10+8/3=15/30+80/30=95/30=19/6=3 1/6
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