For example: Let’s take 40 × 155 Divide 40 by 2: 40 ÷ 2 = 20 Multiply the second number, which is 155 by 2: 155 × 2 = 310 Now, multiply the resultant numbers together: 20 × 310 = 6,200 The answer is 6,200 So, 40 × 155 = 6,200 Try these at home: 20 × 131 = _____60 × 112 = _____80 ×
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