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Savatey [412]
3 years ago
13

Explain how you could add 678 + 303 using mental math

Mathematics
1 answer:
ra1l [238]3 years ago
3 0
Add 8+3=11
7+0=7
6+3=9
=981
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Pls answer asap, show work pls :(
coldgirl [10]

Answer:

2.Solve for the first variable in one of the equations, then substitute the result into the other equation.

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4.Solve for the first variable in one of the equations, then substitute the result into the other equation.

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Step-by-step explanation:

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Mrac [35]
.75 is the answer because it looks like division
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SVETLANKA909090 [29]

Im pretty sure: 18 units

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4 years ago
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