three dijit subtraction!!!!!!!!

• 239
• 230
• 170
• 160

what is seven hundred twenty minus six hundred ten

????????????????????????????????????????????????

• 110
• 90
• 120
• 100

What is eight hundred thirty minus three hundred twenty

????????????????????????????????????????????????

• 510

• 410

• 500

• 610

What is nine hundred minus two hundred seventy

????????????????????????????????????????????????

• 620

• 630

• 640

• 650

What is five hundred fifty plus four hundred forty

????????????????????????????????????????????????

• 990

• 1000

• 980

• 970

What is six hundred eighty minus three hundred sixty

????????????????????????????????????????????????

• 320

• 310

• 330

• 340

What is four hundred plus five hundred twenty

????????????????????????????????????????????????

• 920

• 930

• 910

• 900

What is seven hundred minus one hundred ninety

????????????????????????????????????????????????

• 510

• 500

• 520

• 530

what is five hundred seventy two minus two hundred sixty two

????????????????????????????????????????????????????

• 108
• 252
• 310
• 400
• 510

what is five hundred minus two hundred

you should know this..............

• 300

• 200

• 100

• 500