Question

100 x 3 + 10 _ + 7 = 357​

Answer 1

Answer:

× 5.

Step-by-step explanation:

We have,

100 × 3 + 10 × _ + 7 = 357. {I am taking × sign as default.}

307 + 10 × _ = 357

10 × _ = 357 - 307

10 × _ = 50

_ = 50/10

_ = 5.

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Answer 2

Answer:

100 × 3 + 10 __ + 7 = 357

300 + 10 ____ + 7 = 357

310 ____ + 7 = 357

X = 357 - 310 - 7

X = 357 - 317

X= 40