а) 8 × 44 + 8×56 = 8 x ( 44+56) = 8x100= 800
г) 7 × 23 +7 × 77= 7 x (23+77) = 7 x 100 = 700
б) 6× 146 - 6 × 46 = 6 x ( 146-46) = 6x100 = 600
д) 6 × 81 + 81 ×9 = 81 x ( 6+9 ) = 81 x 15 = 2115
в) 4 × 70 + 30 × 4 = 4 x (70+30) = 4x100 = 400
е) 4 × 30 + 70× 4 = 4 x ( 30+70) 4x100 = 400
А) 8×44+8×56=8×(44+56)=8×100=800
Г) 7×23+7×77=7×(23+77)=7×100=700
Б) 6×146-6×46=6×(146-46)=6×100=600
Д) 6×81+81×9=81×(9+6)=81×15=1215
В) 4×70+30×4=4×(70+30)=4×100=400
Е) 4×30+70×4=4×(30+70)=4×100=400
а) 8 × 44 + 8×56 = 8 x ( 44+56) = 8x100= 800
г) 7 × 23 +7 × 77= 7 x (23+77) = 7 x 100 = 700
б) 6× 146 - 6 × 46 = 6 x ( 146-46) = 6x100 = 600
д) 6 × 81 + 81 ×9 = 81 x ( 6+9 ) = 81 x 15 = 2115
в) 4 × 70 + 30 × 4 = 4 x (70+30) = 4x100 = 400
е) 4 × 30 + 70× 4 = 4 x ( 30+70) 4x100 = 400
А) 8×44+8×56=8×(44+56)=8×100=800
Г) 7×23+7×77=7×(23+77)=7×100=700
Б) 6×146-6×46=6×(146-46)=6×100=600
Д) 6×81+81×9=81×(9+6)=81×15=1215
В) 4×70+30×4=4×(70+30)=4×100=400
Е) 4×30+70×4=4×(30+70)=4×100=400