r\r9 . ?13 10.21? 7\r 1. X 2. J 3. X 4. V 5. X\r0 1.B 2. B 3.C 4. A 5. C\r'' 1.31? 2505? 56? 700? 0? 300? 13? 7100 2. 1370? 4572?\r106? 82? 3010? 141) )4 3.3616? 172? 125\r* 1.+ 2. (18 + 26) X2 = 88(cm)? 6 X 4 + 2 X 2 = 28(dm) 3.\r+.\r0 1. (1)2920+191015000(2 ) 3456789:50002;\r(2)5980<6000 1910<2000 5980+1910<8000 348000 2=5\r>?@A5BCD; 2. 408X 7 = 2856EF 3 = 3000\r2856<3000 34GH5IJKL; 3.E700-16F+ 3 = 684+3 =\r228E2F 34MNOP2282; 4. 2 3 + 9 X 2 = 4 1 EQF 34RS\rTU 41 Q; 5. 54 + 8 = 6 EVF) )6 EF 6X450+360 = 2700+\r360=3060E2F 34WX6 V7YA1 VZY[\]^_Y`ab\r3060 2;\rcde418NE3 f1F= 9 EgF 9hE6f1F = 4 5 EgF 34i5j\rk0j56:L4 5 g>l;
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