500г+500г+500г+500г=2кг
1кг=1000г
Ответ: 4 раза
<span>(2-17) · (26-16)= -15*10=-150
(-45+15)÷(-10-5)=-30:(-15)=2
-2,5(4у+2)+8(2-13,25у)=-10y-5+16-106y=-116y+11
x=-4</span>
25725000|_70
-210 |367500
472
- 420
525
-490
350
-350
0
1-8/15=7/15
3-2/11=2 9/11
4-3 4/9=5/9
7 3/8-5=2 3/8
45-44 3/8=5/8
6 7/15-3 1/5=6 7/15-3 3/15=3 4/15
10 3/23-7 19/46=10 6/46-7 19/46=2 33/46
16 2/5-4 3/7=16 14/35-4 15/35=11 34/35
19 5/12-8 17/18=19 15/36-8 34/36= 10 17/36
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