Exercise · L3

Carry rhythm check

mixed-operations mixed-sequence 8 min 数一九九

L3Level

mixed-operationsSkill

mixed-sequenceType

8mTime

Best for

Best for focused single-question practice and careful method review.

Practice rule: try this before opening the hint or answer.

Solve 186 + 27 - 14 and keep the running total readable after the carry.

Reusable visual engine

Visual support for Carry rhythm check

Value 199 · 一九九

Step 1

199

Step 2

186

Step 3

213

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