garcialuis60292 garcialuis60292

04-04-2020
Mathematics

contestada

Use mental math to find the sum of 43 and 57

Respuesta :

Аноним Аноним

04-04-2020

Answer:

100

Step-by-step explanation:

43+57=100

I added 3+7=10

Then 40+50=90 and added them

90+10=100

Answer Link

kyleotw kyleotw

04-04-2020

Answer: 100

Step-by-step explanation:

You know that 3+7=10

You know that 40+50=90

90+10=100

Answer Link

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