1)2,5*0,4=1, 1*15=15
2)0,125*8=1, 1*1,87=1,87
3)0 ,2*5=1, 1*7,2=7,2=7,2
4)0,8*1,25=1, 1*5=5
21+16=37
9+7=16
6+9=15
23+32=55
5+9=14
52+14=66
<span>135. 1 3/5 = 8/5. 216 : 8 x 5 = 135.</span>
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