101•178-(18655+69277):494. (80-16)•45+9728:32. 3/8+1/8-(1. 1/8-5/8). 3 2/9+12. 7/9+2. +30. 5/9
1)101*178-(18655+69277):494=17978-87932:494=17978-178=17800 2)(80-16)*45+9728:32=64*45+304=2880+304=3184 3)3/8+1/8-(1. 1/8-5/8)=3/8+1/8-(9/8-5/8)=4/8-4/8=0 4)3. 2/9+12. 7/9+2+30. 5/9=16+32=48. 5/9
1 1)18655+69277=87932 2)87932:494=178 3)101*178-178=178*(101-1)=178*100=17800 2 1)80-16=64 2)64*45=2880 3)9728:32=304 4)2880+304=29104 3 1)1 1/8-5/8=9/8-5/8=4/8=1/2 2)3/8+1/8=4/8=1/2 3)1/2-1/2=0 4 3 2/9+12 7/9+2 +30 5/9=47 14/9=48 5/9