Units- 1 unit is 1 , 2 units is 2 . 3 units is 3. for example i will show how to multiply units , 100 units and 11 units is 111 units. 111 units AND 20 Units is 131 units. 2380 units and 20 units is 2400 . 600 units and 56 units is 656 units. 100 units and 210 units is 310 units. 50 units and 60 units is 110 units, 6 units and 8 units is 14 units.57 units and 3 units is 60 units . 7 units and 3 units is 10 units. 70 units and 70 units is 140 units. 11 units and 5 units is 16 units. 88 units and 3 units is 91 unit. 20 units and 30 units is 50 units. 90 units and 100 units plus 3 units is 193 units. now, i will do subtraction. 600 units minus 400 units is 200 units. 5 units minus 2 units is 3 units. -Bonus- Johnny has 560 dollars. he spends 65 dollars at the mall. how many dollars does he have now. Answer is 495. now, back to the subtraction. 700 units minus 500 units is 200 units. 65 units minus 60 units is 5 units. 209 units minus 210 units is 199 units. 300 units minus 200 units is 100 units. 70 units minus 60 units is 10 units. This is unit multiplication and unit subtraction.
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