7-180 1600÷2+230 Р= = =Р= = =Р4000 ÷ 8 + 350 320÷8+64 270 ÷ 3 ×9Р= = =Р= = =Р630 ÷ 9 + 320 2800+32× 6 300÷6×9 Р= = =Р= = =Р(6900-2400)÷ 5 (72÷9)÷(56÷8) 54 ÷ 9 ×8Р= = =Р= = =Р280× 4 ÷5 60×8+1570 60×(23-17) Р= = =Р= = =Р960÷4×9 350÷5×9 450÷5+1250 Р= = =Р= = =Р(6900-2400)÷5 75÷15+20×5 3090+6×6Р= = =Р= = =Р(387-387)+0 160-160÷80 750+550÷5Р= = =Р= = =Р(111+189)×3 125×8÷100 6×250×0 Р= = =Р= = =Р(1+7)×(16-6) 810×4÷4 33÷11+4×9Р= = =Р= = =Р187+299-299 587+496-674 2660+26÷26Р= = =Р= = =Р153÷153+657 32÷(32÷16) 300-(300-222)Р= = =Р= = =Р75÷15+20×5 (150-75)×(25-20) Р= =Р= =Р3390-10×95 687+(99-67)Р= = Р= = Р Р1000+(1000-988) 3560+20×90Р= = Р= = Р(250-150)÷(30÷6) 687+999÷3Р= =Р= =Р(4870-3675)+7200÷9 (9467-5642)÷(350÷70)Р= = Р= = Р960÷4×9 350÷5×9 450÷5+1250 Р= = =Р= = =Р (6900-2400)÷5 75÷15+20×5 3090+6×6