Вопрос:
Вычислить: 1×5; 50÷3; 500÷2; 90÷9; 6×5; 5×9; 64÷8; 7×7; 4×2; 7×3; 5×9; 2×7; 4×8; 21÷7; 35÷7; 4×8; 7×4; 8×3; 9×2; 9×7; 63÷7; 8×10; 7×5; 7×4; 8×9; 5×9.
Ответ:
- \(1\times5=5\)
- \(50\div3=16\frac{2}{3}\)
- \(500\div2=250\)
- \(90\div9=10\)
- \(6\times5=30\)
- \(5\times9=45\)
- \(64\div8=8\)
- \(7\times7=49\)
- \(4\times2=8\)
- \(7\times3=21\)
- \(5\times9=45\)
- \(2\times7=14\)
- \(4\times8=32\)
- \(21\div7=3\)
- \(35\div7=5\)
- \(4\times8=32\)
- \(7\times4=28\)
- \(8\times3=24\)
- \(9\times2=18\)
- \(9\times7=63\)
- \(63\div7=9\)
- \(8\times10=80\)
- \(7\times5=35\)
- \(7\times4=28\)
- \(8\times9=72\)
- \(5\times9=45\)