Ex 13 punctul d va rog urgent dau coronița

( a ) (6+3206) - (184:4) + (86+105-6) - (650×3)=
= 3212 - 46 + 185 -1950=
= 1401
( b ) (28×13)-(96:3)=x + 1/4×(8×24)
332+48=380
( c ) (621-438)×5-169=x x-920=?
746-920=-174
( d ) {36+[8×(900-862)]×7}-148
=2332